4-8=12+x

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Solution for 4-8=12+x equation:


Simplifying
4 + -8 = 12 + x

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

Solving
-4 = 12 + 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.
-4 + -1x = 12 + x + -1x

Combine like terms: x + -1x = 0
-4 + -1x = 12 + 0
-4 + -1x = 12

Add '4' to each side of the equation.
-4 + 4 + -1x = 12 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 12 + 4
-1x = 12 + 4

Combine like terms: 12 + 4 = 16
-1x = 16

Divide each side by '-1'.
x = -16

Simplifying
x = -16

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