3x-12+4=3x+9

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Solution for 3x-12+4=3x+9 equation:


Simplifying
3x + -12 + 4 = 3x + 9

Reorder the terms:
-12 + 4 + 3x = 3x + 9

Combine like terms: -12 + 4 = -8
-8 + 3x = 3x + 9

Reorder the terms:
-8 + 3x = 9 + 3x

Add '-3x' to each side of the equation.
-8 + 3x + -3x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-8 + 0 = 9 + 3x + -3x
-8 = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-8 = 9 + 0
-8 = 9

Solving
-8 = 9

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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