-2(9-7x)-2(x-1)=8x

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Solution for -2(9-7x)-2(x-1)=8x equation:


Simplifying
-2(9 + -7x) + -2(x + -1) = 8x
(9 * -2 + -7x * -2) + -2(x + -1) = 8x
(-18 + 14x) + -2(x + -1) = 8x

Reorder the terms:
-18 + 14x + -2(-1 + x) = 8x
-18 + 14x + (-1 * -2 + x * -2) = 8x
-18 + 14x + (2 + -2x) = 8x

Reorder the terms:
-18 + 2 + 14x + -2x = 8x

Combine like terms: -18 + 2 = -16
-16 + 14x + -2x = 8x

Combine like terms: 14x + -2x = 12x
-16 + 12x = 8x

Solving
-16 + 12x = 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.
-16 + 12x + -8x = 8x + -8x

Combine like terms: 12x + -8x = 4x
-16 + 4x = 8x + -8x

Combine like terms: 8x + -8x = 0
-16 + 4x = 0

Add '16' to each side of the equation.
-16 + 16 + 4x = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 4x = 0 + 16
4x = 0 + 16

Combine like terms: 0 + 16 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

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