3x+9-12=5x

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Solution for 3x+9-12=5x equation:


Simplifying
3x + 9 + -12 = 5x

Reorder the terms:
9 + -12 + 3x = 5x

Combine like terms: 9 + -12 = -3
-3 + 3x = 5x

Solving
-3 + 3x = 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-3 + 3x + -5x = 5x + -5x

Combine like terms: 3x + -5x = -2x
-3 + -2x = 5x + -5x

Combine like terms: 5x + -5x = 0
-3 + -2x = 0

Add '3' to each side of the equation.
-3 + 3 + -2x = 0 + 3

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

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

Divide each side by '-2'.
x = -1.5

Simplifying
x = -1.5

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