120=-8(1+2x)

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Solution for 120=-8(1+2x) equation:


Simplifying
120 = -8(1 + 2x)
120 = (1 * -8 + 2x * -8)
120 = (-8 + -16x)

Solving
120 = -8 + -16x

Solving for variable 'x'.

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

Add '16x' to each side of the equation.
120 + 16x = -8 + -16x + 16x

Combine like terms: -16x + 16x = 0
120 + 16x = -8 + 0
120 + 16x = -8

Add '-120' to each side of the equation.
120 + -120 + 16x = -8 + -120

Combine like terms: 120 + -120 = 0
0 + 16x = -8 + -120
16x = -8 + -120

Combine like terms: -8 + -120 = -128
16x = -128

Divide each side by '16'.
x = -8

Simplifying
x = -8

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