x-12=3x

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Solution for x-12=3x equation:


Simplifying
x + -12 = 3x

Reorder the terms:
-12 + x = 3x

Solving
-12 + x = 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 + x + -3x = 3x + -3x

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

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

Add '12' to each side of the equation.
-12 + 12 + -2x = 0 + 12

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

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

Divide each side by '-2'.
x = -6

Simplifying
x = -6

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