x-12=x+x+x+8

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


Simplifying
x + -12 = x + x + x + 8

Reorder the terms:
-12 + x = x + x + x + 8

Reorder the terms:
-12 + x = 8 + x + x + x

Combine like terms: x + x = 2x
-12 + x = 8 + 2x + x

Combine like terms: 2x + x = 3x
-12 + x = 8 + 3x

Solving
-12 + x = 8 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-12 + x + -3x = 8 + 3x + -3x

Combine like terms: x + -3x = -2x
-12 + -2x = 8 + 3x + -3x

Combine like terms: 3x + -3x = 0
-12 + -2x = 8 + 0
-12 + -2x = 8

Add '12' to each side of the equation.
-12 + 12 + -2x = 8 + 12

Combine like terms: -12 + 12 = 0
0 + -2x = 8 + 12
-2x = 8 + 12

Combine like terms: 8 + 12 = 20
-2x = 20

Divide each side by '-2'.
x = -10

Simplifying
x = -10

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