x+6=12+3x

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Solution for x+6=12+3x equation:


Simplifying
x + 6 = 12 + 3x

Reorder the terms:
6 + x = 12 + 3x

Solving
6 + x = 12 + 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.
6 + x + -3x = 12 + 3x + -3x

Combine like terms: x + -3x = -2x
6 + -2x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
6 + -2x = 12 + 0
6 + -2x = 12

Add '-6' to each side of the equation.
6 + -6 + -2x = 12 + -6

Combine like terms: 6 + -6 = 0
0 + -2x = 12 + -6
-2x = 12 + -6

Combine like terms: 12 + -6 = 6
-2x = 6

Divide each side by '-2'.
x = -3

Simplifying
x = -3

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