12x-42=-90

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Solution for 12x-42=-90 equation: 


Simplifying
12x + -42 = -90

Reorder the terms:
-42 + 12x = -90

Solving
-42 + 12x = -90

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 12x = -90 + 42

Combine like terms: -42 + 42 = 0
0 + 12x = -90 + 42
12x = -90 + 42

Combine like terms: -90 + 42 = -48
12x = -48

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

Simplifying
x = -4

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