2(x-4)-x=12

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Solution for 2(x-4)-x=12 equation:


Simplifying
2(x + -4) + -1x = 12

Reorder the terms:
2(-4 + x) + -1x = 12
(-4 * 2 + x * 2) + -1x = 12
(-8 + 2x) + -1x = 12

Combine like terms: 2x + -1x = 1x
-8 + 1x = 12

Solving
-8 + 1x = 12

Solving for variable 'x'.

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

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

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

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

Divide each side by '1'.
x = 20

Simplifying
x = 20

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