3x-3(-x+2)=12

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Solution for 3x-3(-x+2)=12 equation:


Simplifying
3x + -3(-1x + 2) = 12

Reorder the terms:
3x + -3(2 + -1x) = 12
3x + (2 * -3 + -1x * -3) = 12
3x + (-6 + 3x) = 12

Reorder the terms:
-6 + 3x + 3x = 12

Combine like terms: 3x + 3x = 6x
-6 + 6x = 12

Solving
-6 + 6x = 12

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 6x = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 6x = 12 + 6
6x = 12 + 6

Combine like terms: 12 + 6 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

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