3x+x+y=180

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Solution for 3x+x+y=180 equation: 


Simplifying
3x + x + y = 180

Combine like terms: 3x + x = 4x
4x + y = 180

Solving
4x + y = 180

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
4x + y + -1y = 180 + -1y

Combine like terms: y + -1y = 0
4x + 0 = 180 + -1y
4x = 180 + -1y

Divide each side by '4'.
x = 45 + -0.25y

Simplifying
x = 45 + -0.25y

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