x+x+y+40=180

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Solution for x+x+y+40=180 equation: 


Simplifying
x + x + y + 40 = 180

Reorder the terms:
40 + x + x + y = 180

Combine like terms: x + x = 2x
40 + 2x + y = 180

Solving
40 + 2x + y = 180

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + 2x + -40 + y = 180 + -40

Reorder the terms:
40 + -40 + 2x + y = 180 + -40

Combine like terms: 40 + -40 = 0
0 + 2x + y = 180 + -40
2x + y = 180 + -40

Combine like terms: 180 + -40 = 140
2x + y = 140

Add '-1y' to each side of the equation.
2x + y + -1y = 140 + -1y

Combine like terms: y + -1y = 0
2x + 0 = 140 + -1y
2x = 140 + -1y

Divide each side by '2'.
x = 70 + -0.5y

Simplifying
x = 70 + -0.5y

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