50+x=130+(120-x)

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Solution for 50+x=130+(120-x) equation:


Simplifying
50 + x = 130 + (120 + -1x)

Remove parenthesis around (120 + -1x)
50 + x = 130 + 120 + -1x

Combine like terms: 130 + 120 = 250
50 + x = 250 + -1x

Solving
50 + x = 250 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
50 + x + x = 250 + -1x + x

Combine like terms: x + x = 2x
50 + 2x = 250 + -1x + x

Combine like terms: -1x + x = 0
50 + 2x = 250 + 0
50 + 2x = 250

Add '-50' to each side of the equation.
50 + -50 + 2x = 250 + -50

Combine like terms: 50 + -50 = 0
0 + 2x = 250 + -50
2x = 250 + -50

Combine like terms: 250 + -50 = 200
2x = 200

Divide each side by '2'.
x = 100

Simplifying
x = 100

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