-15=12-9x

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Solution for -15=12-9x equation:


Simplifying
-15 = 12 + -9x

Solving
-15 = 12 + -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.
-15 + 9x = 12 + -9x + 9x

Combine like terms: -9x + 9x = 0
-15 + 9x = 12 + 0
-15 + 9x = 12

Add '15' to each side of the equation.
-15 + 15 + 9x = 12 + 15

Combine like terms: -15 + 15 = 0
0 + 9x = 12 + 15
9x = 12 + 15

Combine like terms: 12 + 15 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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