Advertisements
Advertisements
प्रश्न
Solve the following equation: 3y – 8 = 13
Advertisements
उत्तर
3y – 8 = 13
⇒ 3y - 8 + 8 = 13 + 8 ...(Adding 8 to both sides)
⇒ 3y = 21
⇒ `"3y"/3 = 21/3` ....(Dividing by 3)
∴ y = 7
APPEARS IN
संबंधित प्रश्न
A number increased by 17 becomes 54. Find the number.
A number is increased by 12 and the new number obtained is multiplied by 5. If the resulting number is 95, find the original number.
A number is increased by 12 and the new number obtained is multiplied by 5. If the resulting number is 95, find the original number.
The difference between the two numbers is 23. Taking the larger number as x, find:
(i) the expression for a smaller number.
(ii) the smaller number, if the sum of these two numbers is 91.
Solve the following equation: `3/5"x" + 4 = 13`
Solve the following equation: 5 = x - 3
Solve the following equation: `"y"/1.8` - 2.1 = - 2.8
Solve the following equation: 3y - (y + 2) = 4
If a number x is decreased by 15 and the result is multiplied by 3 to get 81, which equation correctly represents this?
A number is divided equally among 5 children, and each gets 6. The equation is:
