(80-x)+3x=180

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Solution for (80-x)+3x=180 equation:


Simplifying
(80 + -1x) + 3x = 180

Remove parenthesis around (80 + -1x)
80 + -1x + 3x = 180

Combine like terms: -1x + 3x = 2x
80 + 2x = 180

Solving
80 + 2x = 180

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 = 180 + -80

Combine like terms: 80 + -80 = 0
0 + 2x = 180 + -80
2x = 180 + -80

Combine like terms: 180 + -80 = 100
2x = 100

Divide each side by '2'.
x = 50

Simplifying
x = 50

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