12-3x-x=8

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Solution for 12-3x-x=8 equation:


Simplifying
12 + -3x + -1x = 8

Combine like terms: -3x + -1x = -4x
12 + -4x = 8

Solving
12 + -4x = 8

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -4x = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -4x = 8 + -12
-4x = 8 + -12

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

Divide each side by '-4'.
x = 1

Simplifying
x = 1

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