160-y+170-y=180

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Solution for 160-y+170-y=180 equation:


Simplifying
160 + -1y + 170 + -1y = 180

Reorder the terms:
160 + 170 + -1y + -1y = 180

Combine like terms: 160 + 170 = 330
330 + -1y + -1y = 180

Combine like terms: -1y + -1y = -2y
330 + -2y = 180

Solving
330 + -2y = 180

Solving for variable 'y'.

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

Add '-330' to each side of the equation.
330 + -330 + -2y = 180 + -330

Combine like terms: 330 + -330 = 0
0 + -2y = 180 + -330
-2y = 180 + -330

Combine like terms: 180 + -330 = -150
-2y = -150

Divide each side by '-2'.
y = 75

Simplifying
y = 75

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