-12+9=-9x+15

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Solution for -12+9=-9x+15 equation:


Simplifying
-12 + 9 = -9x + 15

Combine like terms: -12 + 9 = -3
-3 = -9x + 15

Reorder the terms:
-3 = 15 + -9x

Solving
-3 = 15 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-3 + 9x = 15 + -9x + 9x

Combine like terms: -9x + 9x = 0
-3 + 9x = 15 + 0
-3 + 9x = 15

Add '3' to each side of the equation.
-3 + 3 + 9x = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 9x = 15 + 3
9x = 15 + 3

Combine like terms: 15 + 3 = 18
9x = 18

Divide each side by '9'.
x = 2

Simplifying
x = 2

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