5x+12=9+3x

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


Simplifying
5x + 12 = 9 + 3x

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

Solving
12 + 5x = 9 + 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 + 5x + -3x = 9 + 3x + -3x

Combine like terms: 5x + -3x = 2x
12 + 2x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
12 + 2x = 9 + 0
12 + 2x = 9

Add '-12' to each side of the equation.
12 + -12 + 2x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 9 + -12
2x = 9 + -12

Combine like terms: 9 + -12 = -3
2x = -3

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

Simplifying
x = -1.5

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