x+(x-30)=150

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Solution for x+(x-30)=150 equation:


Simplifying
x + (x + -30) = 150

Reorder the terms:
x + (-30 + x) = 150

Remove parenthesis around (-30 + x)
x + -30 + x = 150

Reorder the terms:
-30 + x + x = 150

Combine like terms: x + x = 2x
-30 + 2x = 150

Solving
-30 + 2x = 150

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 2x = 150 + 30

Combine like terms: -30 + 30 = 0
0 + 2x = 150 + 30
2x = 150 + 30

Combine like terms: 150 + 30 = 180
2x = 180

Divide each side by '2'.
x = 90

Simplifying
x = 90

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