18=6x+7(-2x-13)

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Solution for 18=6x+7(-2x-13) equation:


Simplifying
18 = 6x + 7(-2x + -13)

Reorder the terms:
18 = 6x + 7(-13 + -2x)
18 = 6x + (-13 * 7 + -2x * 7)
18 = 6x + (-91 + -14x)

Reorder the terms:
18 = -91 + 6x + -14x

Combine like terms: 6x + -14x = -8x
18 = -91 + -8x

Solving
18 = -91 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
18 + 8x = -91 + -8x + 8x

Combine like terms: -8x + 8x = 0
18 + 8x = -91 + 0
18 + 8x = -91

Add '-18' to each side of the equation.
18 + -18 + 8x = -91 + -18

Combine like terms: 18 + -18 = 0
0 + 8x = -91 + -18
8x = -91 + -18

Combine like terms: -91 + -18 = -109
8x = -109

Divide each side by '8'.
x = -13.625

Simplifying
x = -13.625

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