(x+20)+(x+40)+(180-x)=180

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Solution for (x+20)+(x+40)+(180-x)=180 equation:


Simplifying
(x + 20) + (x + 40) + (180 + -1x) = 180

Reorder the terms:
(20 + x) + (x + 40) + (180 + -1x) = 180

Remove parenthesis around (20 + x)
20 + x + (x + 40) + (180 + -1x) = 180

Reorder the terms:
20 + x + (40 + x) + (180 + -1x) = 180

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

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

Reorder the terms:
20 + 40 + 180 + x + x + -1x = 180

Combine like terms: 20 + 40 = 60
60 + 180 + x + x + -1x = 180

Combine like terms: 60 + 180 = 240
240 + x + x + -1x = 180

Combine like terms: x + x = 2x
240 + 2x + -1x = 180

Combine like terms: 2x + -1x = 1x
240 + 1x = 180

Solving
240 + 1x = 180

Solving for variable 'x'.

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

Add '-240' to each side of the equation.
240 + -240 + 1x = 180 + -240

Combine like terms: 240 + -240 = 0
0 + 1x = 180 + -240
1x = 180 + -240

Combine like terms: 180 + -240 = -60
1x = -60

Divide each side by '1'.
x = -60

Simplifying
x = -60

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