12-9x=-51

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Solution for 12-9x=-51 equation: 


Simplifying
12 + -9x = -51

Solving
12 + -9x = -51

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -9x = -51 + -12

Combine like terms: 12 + -12 = 0
0 + -9x = -51 + -12
-9x = -51 + -12

Combine like terms: -51 + -12 = -63
-9x = -63

Divide each side by '-9'.
x = 7

Simplifying
x = 7

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