(3x-20)+(7x+30)+(2x+50)=180

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Solution for (3x-20)+(7x+30)+(2x+50)=180 equation:


Simplifying
(3x + -20) + (7x + 30) + (2x + 50) = 180

Reorder the terms:
(-20 + 3x) + (7x + 30) + (2x + 50) = 180

Remove parenthesis around (-20 + 3x)
-20 + 3x + (7x + 30) + (2x + 50) = 180

Reorder the terms:
-20 + 3x + (30 + 7x) + (2x + 50) = 180

Remove parenthesis around (30 + 7x)
-20 + 3x + 30 + 7x + (2x + 50) = 180

Reorder the terms:
-20 + 3x + 30 + 7x + (50 + 2x) = 180

Remove parenthesis around (50 + 2x)
-20 + 3x + 30 + 7x + 50 + 2x = 180

Reorder the terms:
-20 + 30 + 50 + 3x + 7x + 2x = 180

Combine like terms: -20 + 30 = 10
10 + 50 + 3x + 7x + 2x = 180

Combine like terms: 10 + 50 = 60
60 + 3x + 7x + 2x = 180

Combine like terms: 3x + 7x = 10x
60 + 10x + 2x = 180

Combine like terms: 10x + 2x = 12x
60 + 12x = 180

Solving
60 + 12x = 180

Solving for variable 'x'.

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

Add '-60' to each side of the equation.
60 + -60 + 12x = 180 + -60

Combine like terms: 60 + -60 = 0
0 + 12x = 180 + -60
12x = 180 + -60

Combine like terms: 180 + -60 = 120
12x = 120

Divide each side by '12'.
x = 10

Simplifying
x = 10

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