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

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


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

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

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

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

Combine like terms: x + (-1x) = 0
4 + 2x = -12 + 0
4 + 2x = -12

Solving
4 + 2x = -12

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x = -12 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = -12 + -4
2x = -12 + -4

Combine like terms: -12 + -4 = -16
2x = -16

Divide each side by '2'.
x = -8

Simplifying
x = -8

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