-x-12=-3x+28

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Solution for -x-12=-3x+28 equation:


Simplifying
-1x + -12 = -3x + 28

Reorder the terms:
-12 + -1x = -3x + 28

Reorder the terms:
-12 + -1x = 28 + -3x

Solving
-12 + -1x = 28 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-12 + -1x + 3x = 28 + -3x + 3x

Combine like terms: -1x + 3x = 2x
-12 + 2x = 28 + -3x + 3x

Combine like terms: -3x + 3x = 0
-12 + 2x = 28 + 0
-12 + 2x = 28

Add '12' to each side of the equation.
-12 + 12 + 2x = 28 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = 28 + 12
2x = 28 + 12

Combine like terms: 28 + 12 = 40
2x = 40

Divide each side by '2'.
x = 20

Simplifying
x = 20

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