180=y-20+42

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Solution for 180=y-20+42 equation:


Simplifying
180 = y + -20 + 42

Reorder the terms:
180 = -20 + 42 + y

Combine like terms: -20 + 42 = 22
180 = 22 + y

Solving
180 = 22 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
180 + -1y = 22 + y + -1y

Combine like terms: y + -1y = 0
180 + -1y = 22 + 0
180 + -1y = 22

Add '-180' to each side of the equation.
180 + -180 + -1y = 22 + -180

Combine like terms: 180 + -180 = 0
0 + -1y = 22 + -180
-1y = 22 + -180

Combine like terms: 22 + -180 = -158
-1y = -158

Divide each side by '-1'.
y = 158

Simplifying
y = 158

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