18=-2(x-4)

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Solution for 18=-2(x-4) equation:


Simplifying
18 = -2(x + -4)

Reorder the terms:
18 = -2(-4 + x)
18 = (-4 * -2 + x * -2)
18 = (8 + -2x)

Solving
18 = 8 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
18 + 2x = 8 + -2x + 2x

Combine like terms: -2x + 2x = 0
18 + 2x = 8 + 0
18 + 2x = 8

Add '-18' to each side of the equation.
18 + -18 + 2x = 8 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 8 + -18
2x = 8 + -18

Combine like terms: 8 + -18 = -10
2x = -10

Divide each side by '2'.
x = -5

Simplifying
x = -5

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