x+(x+80)=120

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Solution for x+(x+80)=120 equation:


Simplifying
x + (x + 80) = 120

Reorder the terms:
x + (80 + x) = 120

Remove parenthesis around (80 + x)
x + 80 + x = 120

Reorder the terms:
80 + x + x = 120

Combine like terms: x + x = 2x
80 + 2x = 120

Solving
80 + 2x = 120

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + 2x = 120 + -80

Combine like terms: 80 + -80 = 0
0 + 2x = 120 + -80
2x = 120 + -80

Combine like terms: 120 + -80 = 40
2x = 40

Divide each side by '2'.
x = 20

Simplifying
x = 20

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