150=x+(x-20)

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Solution for 150=x+(x-20) equation:


Simplifying
150 = x + (x + -20)

Reorder the terms:
150 = x + (-20 + x)

Remove parenthesis around (-20 + x)
150 = x + -20 + x

Reorder the terms:
150 = -20 + x + x

Combine like terms: x + x = 2x
150 = -20 + 2x

Solving
150 = -20 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
150 + -2x = -20 + 2x + -2x

Combine like terms: 2x + -2x = 0
150 + -2x = -20 + 0
150 + -2x = -20

Add '-150' to each side of the equation.
150 + -150 + -2x = -20 + -150

Combine like terms: 150 + -150 = 0
0 + -2x = -20 + -150
-2x = -20 + -150

Combine like terms: -20 + -150 = -170
-2x = -170

Divide each side by '-2'.
x = 85

Simplifying
x = 85

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