18-9x=-90

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Solution for 18-9x=-90 equation: 


Simplifying
18 + -9x = -90

Solving
18 + -9x = -90

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + -9x = -90 + -18

Combine like terms: 18 + -18 = 0
0 + -9x = -90 + -18
-9x = -90 + -18

Combine like terms: -90 + -18 = -108
-9x = -108

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

Simplifying
x = 12

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