8+4=x-8

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Solution for 8+4=x-8 equation: 


Simplifying
8 + 4 = x + -8

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

Reorder the terms:
12 = -8 + x

Solving
12 = -8 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12 + -1x = -8 + x + -1x

Combine like terms: x + -1x = 0
12 + -1x = -8 + 0
12 + -1x = -8

Add '-12' to each side of the equation.
12 + -12 + -1x = -8 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = -8 + -12
-1x = -8 + -12

Combine like terms: -8 + -12 = -20
-1x = -20

Divide each side by '-1'.
x = 20

Simplifying
x = 20

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