40+(180-50-x)+(180-40-180-50-x)=180

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Solution for 40+(180-50-x)+(180-40-180-50-x)=180 equation:


Simplifying
40 + (180 + -50 + -1x) + (180 + -40 + -180 + -50 + -1x) = 180

Combine like terms: 180 + -50 = 130
40 + (130 + -1x) + (180 + -40 + -180 + -50 + -1x) = 180

Remove parenthesis around (130 + -1x)
40 + 130 + -1x + (180 + -40 + -180 + -50 + -1x) = 180

Combine like terms: 180 + -40 = 140
40 + 130 + -1x + (140 + -180 + -50 + -1x) = 180

Combine like terms: 140 + -180 = -40
40 + 130 + -1x + (-40 + -50 + -1x) = 180

Combine like terms: -40 + -50 = -90
40 + 130 + -1x + (-90 + -1x) = 180

Remove parenthesis around (-90 + -1x)
40 + 130 + -1x + -90 + -1x = 180

Reorder the terms:
40 + 130 + -90 + -1x + -1x = 180

Combine like terms: 40 + 130 = 170
170 + -90 + -1x + -1x = 180

Combine like terms: 170 + -90 = 80
80 + -1x + -1x = 180

Combine like terms: -1x + -1x = -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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