-9(-1-5x)=12+8(1+7x)

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Solution for -9(-1-5x)=12+8(1+7x) equation: 


Simplifying
-9(-1 + -5x) = 12 + 8(1 + 7x)
(-1 * -9 + -5x * -9) = 12 + 8(1 + 7x)
(9 + 45x) = 12 + 8(1 + 7x)
9 + 45x = 12 + (1 * 8 + 7x * 8)
9 + 45x = 12 + (8 + 56x)

Combine like terms: 12 + 8 = 20
9 + 45x = 20 + 56x

Solving
9 + 45x = 20 + 56x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-56x' to each side of the equation.
9 + 45x + -56x = 20 + 56x + -56x

Combine like terms: 45x + -56x = -11x
9 + -11x = 20 + 56x + -56x

Combine like terms: 56x + -56x = 0
9 + -11x = 20 + 0
9 + -11x = 20

Add '-9' to each side of the equation.
9 + -9 + -11x = 20 + -9

Combine like terms: 9 + -9 = 0
0 + -11x = 20 + -9
-11x = 20 + -9

Combine like terms: 20 + -9 = 11
-11x = 11

Divide each side by '-11'.
x = -1

Simplifying
x = -1

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