30-x-90=180

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Solution for 30-x-90=180 equation:


Simplifying
30 + -1x + -90 = 180

Reorder the terms:
30 + -90 + -1x = 180

Combine like terms: 30 + -90 = -60
-60 + -1x = 180

Solving
-60 + -1x = 180

Solving for variable 'x'.

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

Add '60' to each side of the equation.
-60 + 60 + -1x = 180 + 60

Combine like terms: -60 + 60 = 0
0 + -1x = 180 + 60
-1x = 180 + 60

Combine like terms: 180 + 60 = 240
-1x = 240

Divide each side by '-1'.
x = -240

Simplifying
x = -240

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