9-15+x=-12

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


Simplifying
9 + -15 + x = -12

Combine like terms: 9 + -15 = -6
-6 + x = -12

Solving
-6 + x = -12

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + x = -12 + 6

Combine like terms: -6 + 6 = 0
0 + x = -12 + 6
x = -12 + 6

Combine like terms: -12 + 6 = -6
x = -6

Simplifying
x = -6

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