7x-7(-x-15)=-7

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Solution for 7x-7(-x-15)=-7 equation:


Simplifying
7x + -7(-1x + -15) = -7

Reorder the terms:
7x + -7(-15 + -1x) = -7
7x + (-15 * -7 + -1x * -7) = -7
7x + (105 + 7x) = -7

Reorder the terms:
105 + 7x + 7x = -7

Combine like terms: 7x + 7x = 14x
105 + 14x = -7

Solving
105 + 14x = -7

Solving for variable 'x'.

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

Add '-105' to each side of the equation.
105 + -105 + 14x = -7 + -105

Combine like terms: 105 + -105 = 0
0 + 14x = -7 + -105
14x = -7 + -105

Combine like terms: -7 + -105 = -112
14x = -112

Divide each side by '14'.
x = -8

Simplifying
x = -8

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