90=-12x-66

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Solution for 90=-12x-66 equation:


Simplifying
90 = -12x + -66

Reorder the terms:
90 = -66 + -12x

Solving
90 = -66 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
90 + 12x = -66 + -12x + 12x

Combine like terms: -12x + 12x = 0
90 + 12x = -66 + 0
90 + 12x = -66

Add '-90' to each side of the equation.
90 + -90 + 12x = -66 + -90

Combine like terms: 90 + -90 = 0
0 + 12x = -66 + -90
12x = -66 + -90

Combine like terms: -66 + -90 = -156
12x = -156

Divide each side by '12'.
x = -13

Simplifying
x = -13

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