y+y+40=180

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Solution for y+y+40=180 equation: 


Simplifying
y + y + 40 = 180

Reorder the terms:
40 + y + y = 180

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

Solving
40 + 2y = 180

Solving for variable 'y'.

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

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

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

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

Divide each side by '2'.
y = 70

Simplifying
y = 70

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