(20x+50)+(85-2x)=180

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Solution for (20x+50)+(85-2x)=180 equation: 


Simplifying
(20x + 50) + (85 + -2x) = 180

Reorder the terms:
(50 + 20x) + (85 + -2x) = 180

Remove parenthesis around (50 + 20x)
50 + 20x + (85 + -2x) = 180

Remove parenthesis around (85 + -2x)
50 + 20x + 85 + -2x = 180

Reorder the terms:
50 + 85 + 20x + -2x = 180

Combine like terms: 50 + 85 = 135
135 + 20x + -2x = 180

Combine like terms: 20x + -2x = 18x
135 + 18x = 180

Solving
135 + 18x = 180

Solving for variable 'x'.

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

Add '-135' to each side of the equation.
135 + -135 + 18x = 180 + -135

Combine like terms: 135 + -135 = 0
0 + 18x = 180 + -135
18x = 180 + -135

Combine like terms: 180 + -135 = 45
18x = 45

Divide each side by '18'.
x = 2.5

Simplifying
x = 2.5

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