Advertisements
Advertisements
प्रश्न
Solve the following equation: `"y"/3 + 7 = 2`
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
APPEARS IN
संबंधित प्रश्न
A number increased by 17 becomes 54. Find the number.
The age of a man is 27 years more than the age of his son. If the sum of their ages is 47 years, find the age of the son and his father.
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.
The sum of three consecutive numbers is 54. Taking the middle number as x, find:
(i) expression for the smallest number and the largest number.
(ii) the three numbers.
Solve the following equation: 2x ÷ 3 = 7
Solve the following equation: 3y + 8 = 13
Solve the following equation: 3y ÷ 8 = 13
Solve the following equation: 5x – 2.4 = 4.9
Solve the following equation: 5 = x - 3
Solve the following equation: `"y"/1.8` - 2.1 = - 2.8