180=90+x+90+30

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Solution for 180=90+x+90+30 equation: 


Simplifying
180 = 90 + x + 90 + 30

Reorder the terms:
180 = 90 + 90 + 30 + x

Combine like terms: 90 + 90 = 180
180 = 180 + 30 + x

Combine like terms: 180 + 30 = 210
180 = 210 + x

Solving
180 = 210 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
180 + -1x = 210 + x + -1x

Combine like terms: x + -1x = 0
180 + -1x = 210 + 0
180 + -1x = 210

Add '-180' to each side of the equation.
180 + -180 + -1x = 210 + -180

Combine like terms: 180 + -180 = 0
0 + -1x = 210 + -180
-1x = 210 + -180

Combine like terms: 210 + -180 = 30
-1x = 30

Divide each side by '-1'.
x = -30

Simplifying
x = -30

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