12x-(-90)=-18

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Solution for 12x-(-90)=-18 equation:


Simplifying
12x + -1(-90) = -18

Multiply -1 * -90
12x + 90 = -18

Reorder the terms:
90 + 12x = -18

Solving
90 + 12x = -18

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 12x = -18 + -90

Combine like terms: 90 + -90 = 0
0 + 12x = -18 + -90
12x = -18 + -90

Combine like terms: -18 + -90 = -108
12x = -108

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

Simplifying
x = -9

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