-8(x-9)=-7x-7

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Solution for -8(x-9)=-7x-7 equation:


Simplifying
-8(x + -9) = -7x + -7

Reorder the terms:
-8(-9 + x) = -7x + -7
(-9 * -8 + x * -8) = -7x + -7
(72 + -8x) = -7x + -7

Reorder the terms:
72 + -8x = -7 + -7x

Solving
72 + -8x = -7 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
72 + -8x + 7x = -7 + -7x + 7x

Combine like terms: -8x + 7x = -1x
72 + -1x = -7 + -7x + 7x

Combine like terms: -7x + 7x = 0
72 + -1x = -7 + 0
72 + -1x = -7

Add '-72' to each side of the equation.
72 + -72 + -1x = -7 + -72

Combine like terms: 72 + -72 = 0
0 + -1x = -7 + -72
-1x = -7 + -72

Combine like terms: -7 + -72 = -79
-1x = -79

Divide each side by '-1'.
x = 79

Simplifying
x = 79

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