Advertisements
Advertisements
प्रश्न
Solve the following equation: 7z + 15 = 3z – 13
Advertisements
उत्तर
7z + 15 = 3z – 13
⇒ 7z + 15 - 3z = 3z - 13 - 3z (Subtracting 3z from both sides)
⇒ 4z + 15 = - 13
⇒ 4z + 15 - 15 = - 13 - 15 ...(Subtracting 15 from both sides)
⇒ 4z = - 28
⇒ `"4z"/4 = (- 28)/4` ...(Dividing by 4)
⇒ z = - 7
APPEARS IN
संबंधित प्रश्न
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.
Find three consecutive integers such that their sum is 78.
Solve the following equation: u + `3 1/4 = 4 1/3`
Solve the following equation: 48 z + 3.6 = 1.2
Solve the following equation: `"2m"/3 = 8 2/3`
Solve the following equation: 3z + 2 = -4
Solve the following equation: 7y -18 = 17
Solve the following equation: `"x"/1.2 - 6 = 1`
Solve the following equation: (7y +8) +7= 8
If 6 is added to twice a number to get 22, the correct equation is:
