50+(x+10)+(x+20)=180

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Solution for 50+(x+10)+(x+20)=180 equation: 


Simplifying
50 + (x + 10) + (x + 20) = 180

Reorder the terms:
50 + (10 + x) + (x + 20) = 180

Remove parenthesis around (10 + x)
50 + 10 + x + (x + 20) = 180

Reorder the terms:
50 + 10 + x + (20 + x) = 180

Remove parenthesis around (20 + x)
50 + 10 + x + 20 + x = 180

Reorder the terms:
50 + 10 + 20 + x + x = 180

Combine like terms: 50 + 10 = 60
60 + 20 + x + x = 180

Combine like terms: 60 + 20 = 80
80 + x + x = 180

Combine like terms: x + x = 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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