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

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Solution for 2(x+1)+2(x-1)=12 equation: 


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

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

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

Reorder the terms:
2 + -2 + 2x + 2x = 12

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

Combine like terms: 2x + 2x = 4x
4x = 12

Solving
4x = 12

Solving for variable 'x'.

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

Divide each side by '4'.
x = 3

Simplifying
x = 3

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