-3x-7(x-8)=126

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Solution for -3x-7(x-8)=126 equation:


Simplifying
-3x + -7(x + -8) = 126

Reorder the terms:
-3x + -7(-8 + x) = 126
-3x + (-8 * -7 + x * -7) = 126
-3x + (56 + -7x) = 126

Reorder the terms:
56 + -3x + -7x = 126

Combine like terms: -3x + -7x = -10x
56 + -10x = 126

Solving
56 + -10x = 126

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + -10x = 126 + -56

Combine like terms: 56 + -56 = 0
0 + -10x = 126 + -56
-10x = 126 + -56

Combine like terms: 126 + -56 = 70
-10x = 70

Divide each side by '-10'.
x = -7

Simplifying
x = -7

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