Advertisements
Advertisements
Question
Solve the following:
3(5x – 7) + 2(9x – 11) = 4(8x – 7) – 111
Solution
Given, 3(5x – 7) + 2(9x – 11) = 4(8x – 7) – 111
⇒ 15x – 21 + 18x – 22 = 32x – 28 – 111
⇒ 33x – 43 = 32x – 139
⇒ 33x – 32x = – 139 + 43 ...[transposing 32x to LHS and – 43 to RHS]
∴ x = – 96
APPEARS IN
RELATED QUESTIONS
If you subtract `1/2` from a number and multiply the result by `1/2`, you get `1/8`. What is the number?
Solve the following equation and check your result:
5t − 3 = 3t − 5
Solve the following equation and check your result:
4z + 3 = 6 + 2z
Solve the following equation and check your result:
2x − 1 = 14 − x
Two numbers differ by 40, when each number is increased by 8, the bigger becomes thrice the lesser number. If one number is x, then the other number is (40 – x).
Solve the following:
10x – 5 – 7x = 5x + 15 – 8
Solve the following:
4t – 3 – (3t + 1) = 5t – 4
Solve the following:
`(9 - 3y)/(1 - 9y) = 8/5`
Solve the following:
4(3p + 2) – 5(6p – 1) = 2(p – 8) – 6(7p – 4)
Solve the following:
0.16(5x – 2) = 0.4x + 7
