4x+(x+50)+(x-40)=180

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Solution for 4x+(x+50)+(x-40)=180 equation: 


Simplifying
4x + (x + 50) + (x + -40) = 180

Reorder the terms:
4x + (50 + x) + (x + -40) = 180

Remove parenthesis around (50 + x)
4x + 50 + x + (x + -40) = 180

Reorder the terms:
4x + 50 + x + (-40 + x) = 180

Remove parenthesis around (-40 + x)
4x + 50 + x + -40 + x = 180

Reorder the terms:
50 + -40 + 4x + x + x = 180

Combine like terms: 50 + -40 = 10
10 + 4x + x + x = 180

Combine like terms: 4x + x = 5x
10 + 5x + x = 180

Combine like terms: 5x + x = 6x
10 + 6x = 180

Solving
10 + 6x = 180

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 6x = 180 + -10

Combine like terms: 10 + -10 = 0
0 + 6x = 180 + -10
6x = 180 + -10

Combine like terms: 180 + -10 = 170
6x = 170

Divide each side by '6'.
x = 28.33333333

Simplifying
x = 28.33333333

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