4+12=-12-8x

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Solution for 4+12=-12-8x equation:


Simplifying
4 + 12 = -12 + -8x

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

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

Combine like terms: -8x + 8x = 0
16 + 8x = -12 + 0
16 + 8x = -12

Add '-16' to each side of the equation.
16 + -16 + 8x = -12 + -16

Combine like terms: 16 + -16 = 0
0 + 8x = -12 + -16
8x = -12 + -16

Combine like terms: -12 + -16 = -28
8x = -28

Divide each side by '8'.
x = -3.5

Simplifying
x = -3.5

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