3x+12=2(x-(4-x))

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Solution for 3x+12=2(x-(4-x)) equation: 


Simplifying
3x + 12 = 2(x + -1(4 + -1x))

Reorder the terms:
12 + 3x = 2(x + -1(4 + -1x))
12 + 3x = 2(x + (4 * -1 + -1x * -1))
12 + 3x = 2(x + (-4 + 1x))

Reorder the terms:
12 + 3x = 2(-4 + x + 1x)

Combine like terms: x + 1x = 2x
12 + 3x = 2(-4 + 2x)
12 + 3x = (-4 * 2 + 2x * 2)
12 + 3x = (-8 + 4x)

Solving
12 + 3x = -8 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
12 + 3x + -4x = -8 + 4x + -4x

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

Combine like terms: 4x + -4x = 0
12 + -1x = -8 + 0
12 + -1x = -8

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

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

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

Divide each side by '-1'.
x = 20

Simplifying
x = 20

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