7x-3x+12=3x

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Solution for 7x-3x+12=3x equation:


Simplifying
7x + -3x + 12 = 3x

Reorder the terms:
12 + 7x + -3x = 3x

Combine like terms: 7x + -3x = 4x
12 + 4x = 3x

Solving
12 + 4x = 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 + 4x + -3x = 3x + -3x

Combine like terms: 4x + -3x = 1x
12 + 1x = 3x + -3x

Combine like terms: 3x + -3x = 0
12 + 1x = 0

Add '-12' to each side of the equation.
12 + -12 + 1x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 0 + -12
1x = 0 + -12

Combine like terms: 0 + -12 = -12
1x = -12

Divide each side by '1'.
x = -12

Simplifying
x = -12

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