12-x=2x+15

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Solution for 12-x=2x+15 equation:


Simplifying
12 + -1x = 2x + 15

Reorder the terms:
12 + -1x = 15 + 2x

Solving
12 + -1x = 15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
12 + -1x + -2x = 15 + 2x + -2x

Combine like terms: -1x + -2x = -3x
12 + -3x = 15 + 2x + -2x

Combine like terms: 2x + -2x = 0
12 + -3x = 15 + 0
12 + -3x = 15

Add '-12' to each side of the equation.
12 + -12 + -3x = 15 + -12

Combine like terms: 12 + -12 = 0
0 + -3x = 15 + -12
-3x = 15 + -12

Combine like terms: 15 + -12 = 3
-3x = 3

Divide each side by '-3'.
x = -1

Simplifying
x = -1

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