Advertisements
Advertisements
प्रश्न
Solve the following equation: `"y"/3 + 7 = 2`
Advertisements
उत्तर
`"y"/3 + 7 = 2`
⇒ `"y"/3 + 7 - 7 = 2 - 7` ...(Substracting 7 from both sides)
⇒ `"y"/3 = -5`
⇒ `"y"/3 xx 3 = - 5 xx 3` ..(Multiplying by 3)
∴ y = - 15
संबंधित प्रश्न
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 ages of Gopal and his father is 26 years. If the sum of their ages is 56 years, find the ages of Gopal and his father.
When two consecutive natural numbers are added, the sum is 31; find the numbers.
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: 3y + 8 = 13
Solve the following equation: 7y -18 = 17
Solve the following equation: `"x"/1.2 - 6 = 1`
Solve the following equation: `"z"/2.4 + 3.6 = 5.1`
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 decreased by 9 equals 14. The number is:
