12x-13=-121

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Solution for 12x-13=-121 equation: 


Simplifying
12x + -13 = -121

Reorder the terms:
-13 + 12x = -121

Solving
-13 + 12x = -121

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 12x = -121 + 13

Combine like terms: -13 + 13 = 0
0 + 12x = -121 + 13
12x = -121 + 13

Combine like terms: -121 + 13 = -108
12x = -108

Divide each side by '12'.
x = -9

Simplifying
x = -9

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