x-90+x+20+x-90=180

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Solution for x-90+x+20+x-90=180 equation:


Simplifying
x + -90 + x + 20 + x + -90 = 180

Reorder the terms:
-90 + 20 + -90 + x + x + x = 180

Combine like terms: -90 + 20 = -70
-70 + -90 + x + x + x = 180

Combine like terms: -70 + -90 = -160
-160 + x + x + x = 180

Combine like terms: x + x = 2x
-160 + 2x + x = 180

Combine like terms: 2x + x = 3x
-160 + 3x = 180

Solving
-160 + 3x = 180

Solving for variable 'x'.

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

Add '160' to each side of the equation.
-160 + 160 + 3x = 180 + 160

Combine like terms: -160 + 160 = 0
0 + 3x = 180 + 160
3x = 180 + 160

Combine like terms: 180 + 160 = 340
3x = 340

Divide each side by '3'.
x = 113.3333333

Simplifying
x = 113.3333333

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