-12+x=3x+18

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Solution for -12+x=3x+18 equation:


Simplifying
-12 + x = 3x + 18

Reorder the terms:
-12 + x = 18 + 3x

Solving
-12 + x = 18 + 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 = 18 + 3x + -3x

Combine like terms: x + -3x = -2x
-12 + -2x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
-12 + -2x = 18 + 0
-12 + -2x = 18

Add '12' to each side of the equation.
-12 + 12 + -2x = 18 + 12

Combine like terms: -12 + 12 = 0
0 + -2x = 18 + 12
-2x = 18 + 12

Combine like terms: 18 + 12 = 30
-2x = 30

Divide each side by '-2'.
x = -15

Simplifying
x = -15

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