12x=90-138

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Solution for 12x=90-138 equation: 


Simplifying
12x = 90 + -138

Combine like terms: 90 + -138 = -48
12x = -48

Solving
12x = -48

Solving for variable 'x'.

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

Divide each side by '12'.
x = -4

Simplifying
x = -4

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