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

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


Simplifying
7x + -7(-1x + -8) = 126

Reorder the terms:
7x + -7(-8 + -1x) = 126
7x + (-8 * -7 + -1x * -7) = 126
7x + (56 + 7x) = 126

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

Combine like terms: 7x + 7x = 14x
56 + 14x = 126

Solving
56 + 14x = 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 + 14x = 126 + -56

Combine like terms: 56 + -56 = 0
0 + 14x = 126 + -56
14x = 126 + -56

Combine like terms: 126 + -56 = 70
14x = 70

Divide each side by '14'.
x = 5

Simplifying
x = 5

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