18-x-x=180

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Solution for 18-x-x=180 equation:


Simplifying
18 + -1x + -1x = 180

Combine like terms: -1x + -1x = -2x
18 + -2x = 180

Solving
18 + -2x = 180

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 + -2x = 180 + -18

Combine like terms: 18 + -18 = 0
0 + -2x = 180 + -18
-2x = 180 + -18

Combine like terms: 180 + -18 = 162
-2x = 162

Divide each side by '-2'.
x = -81

Simplifying
x = -81

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