#### Chapters

Chapter 2: Parallel lines and transversals

Chapter 3: Indices and Cube root

Chapter 4: Altitudes and Medians of a triangle

Chapter 5: Expansion formulae

Chapter 6: Factorisation of Algebraic expressions

Chapter 7: Variation

Chapter 8: Quadrilateral : Constructions and Types

Chapter 9: Discount and Commission

Chapter 10: Division of Polynomials

Chapter 11: Statistics

▶ Chapter 12: Equations in one variable

Chapter 13: Congruence of triangles

Chapter 14: Compound interest

Chapter 15: Area

Chapter 16: Surface area and Volume

Chapter 17: Circle : Chord and Arc

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## Solutions for Chapter 12: Equations in one variable

Below listed, you can find solutions for Chapter 12 of Maharashtra State Board Balbharati for Mathematics 8th Standard Maharashtra State Board.

### Balbharati solutions for Mathematics 8th Standard Maharashtra State Board Chapter 12 Equations in one variable Practice Set 12.1 [Page 77]

The Equation given below is followed by the values of the variable. Decide whether these values are the solutions of that equation.

x − 4 = 3, x = −1, 7,−7

The Equation given below is followed by the values of the variable. Decide whether these values are the solutions of that equation.

9m = 81, m = 3, 9, −3

The Equation given below is followed by the values of the variable. Decide whether these values are the solutions of that equation.

2a + 4 = 0, a = 2, −2, 1

3 − y = 4, y = −1, 1, 2

Solve the following equation.

17p − 2 = 49

Solve the following equation.

2m + 7 = 9

Solve the following equation.

3x + 12 = 2x − 4\

Solve the following equation.

5(x − 3) = 3(x + 2)

Solve the following equation.

`(9"x")/8` + 1 = 10

Solve the following equation.

`"y"/7 + "(y-4)/3 = 2`

Solve the following equation.

13x - 5 = `3/2`

Solve the following equation.

3(y + 8) = 10(y − 4) + 8

Solve the following equation.

`("x" - 9)/("x" - 5) = 5/7`

Solve the following equation.

`("y" - 4)/3 +3"y"= 4`

Solve the following equation.

`("b" + ("b" + 1) + ("b" + 2))/4 = 21`

### Balbharati solutions for Mathematics 8th Standard Maharashtra State Board Chapter 12 Equations in one variable Practice Set 12.2 [Pages 79 - 80]

Mother is 25 year older than her son. Find son's age if after 8 years ratio of son's age to mother's age will be `4/9`.

The denominator of a fraction is greater than its numerator by 12. If the numerator is decreased by 2 and the denominator is increased by 7, the new fraction is equivalent with `1/2`. Find the fraction.

The ratio of weight of copper and zinc in brass is 13 : 7. find the weight of zinc in a brass utensil weighing 700 gm.

Find three conescutive whole numbers whose sum is more than 45 but less than 54.

In a two digit number, digit at the ten's place is twice the digit at units's place. If the number obtained by interchanging the digits is added to the original number, the sum is 66. find the number.

Some tickets of ₹ 200 and some of ₹ 100, of a drama in a theatre were sold. The number of tickets of ₹ 200 sold was 20 more than the number of tickets of ₹ 100. The total amount received by the theatre by sale of tickets was ₹ 37000. Find the number of ₹ 100 tickets sold.

Of the three consecutive natural numbers, five times the smallest number is 9 more than four times the greatest number, find the numbers

Raju sold a bicycle to Amit at 8% profit. Amit repaired it spending ₹ 54. Then he sold the bicycle to Nikhil for ₹ 1134 with no loss and no profit. Find the cost price of the bicycle for which Raju purchased it.

A Cricket player scored 180 runs in the first match and 257 runs in the second match. Find the number of runs he should score in the third match so that the average of runs in the three matches be 230.

Sudhir's present age is 5 more than three times the age of Viru. Anil's age is half the age of Sudhir. If the ratio of the sum of Sudhir's and Viru's age to three times Anil's age is 5:6, then find Viru's age.

## Solutions for Chapter 12: Equations in one variable

## Balbharati solutions for Mathematics 8th Standard Maharashtra State Board chapter 12 - Equations in one variable

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Concepts covered in Mathematics 8th Standard Maharashtra State Board chapter 12 Equations in one variable are Solution of Equations in One Variable, Word Problems of Equation in One Variable.

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