120=(x-30)

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Solution for 120=(x-30) equation:


Simplifying
120 = (x + -30)

Reorder the terms:
120 = (-30 + x)

Remove parenthesis around (-30 + x)
120 = -30 + x

Solving
120 = -30 + 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.
120 + -1x = -30 + x + -1x

Combine like terms: x + -1x = 0
120 + -1x = -30 + 0
120 + -1x = -30

Add '-120' to each side of the equation.
120 + -120 + -1x = -30 + -120

Combine like terms: 120 + -120 = 0
0 + -1x = -30 + -120
-1x = -30 + -120

Combine like terms: -30 + -120 = -150
-1x = -150

Divide each side by '-1'.
x = 150

Simplifying
x = 150

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