Advertisements
Advertisements
प्रश्न
Solve the following equation: 5y – 15 = 27 -2y
Advertisements
उत्तर
5y – 15 = 27 -2y
⇒ 5y + 2y - 15 = 27 - 2y + 2y (Adding 2y to both sides)
⇒ 7y - 15 = 27
⇒ 7y - 15 + 15 = 27 + 15 ...(Adding 15 to both sides)
⇒ 7y = 42
⇒ `"7y"/7 = 42/7` ...(Dividing by 7)
⇒ y = 6
APPEARS IN
संबंधित प्रश्न
When two consecutive natural numbers are added, the sum is 31; find the numbers.
Solve the following equation: 5y + 4.9 = 2.4
Solve the following equation: -3x + 4 = 10
Solve the following equation: 3z – 18 = z – (12 - 4z)
Solve the following equation: `"2z" - 2 1/2 = 3 1/3`
Solve the following equation: 5x – 2x +15 = 27
Solve the following equation: 7z + 15 = 3z – 13
Solve the following equation: (7y +8) +7= 8
Two natural numbers differ by 6 and their sum is 36. Find the larger number.
A problem states: 'One-third of a number added to one-fifth of it gives 32.' If x is the number, what is the correct equation?
