(x+20)+x+(210-3x)=180

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Solution for (x+20)+x+(210-3x)=180 equation:


Simplifying
(x + 20) + x + (210 + -3x) = 180

Reorder the terms:
(20 + x) + x + (210 + -3x) = 180

Remove parenthesis around (20 + x)
20 + x + x + (210 + -3x) = 180

Remove parenthesis around (210 + -3x)
20 + x + x + 210 + -3x = 180

Reorder the terms:
20 + 210 + x + x + -3x = 180

Combine like terms: 20 + 210 = 230
230 + x + x + -3x = 180

Combine like terms: x + x = 2x
230 + 2x + -3x = 180

Combine like terms: 2x + -3x = -1x
230 + -1x = 180

Solving
230 + -1x = 180

Solving for variable 'x'.

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

Add '-230' to each side of the equation.
230 + -230 + -1x = 180 + -230

Combine like terms: 230 + -230 = 0
0 + -1x = 180 + -230
-1x = 180 + -230

Combine like terms: 180 + -230 = -50
-1x = -50

Divide each side by '-1'.
x = 50

Simplifying
x = 50

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