2y-20=180

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Solution for 2y-20=180 equation: 


Simplifying
2y + -20 = 180

Reorder the terms:
-20 + 2y = 180

Solving
-20 + 2y = 180

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + 2y = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 2y = 180 + 20
2y = 180 + 20

Combine like terms: 180 + 20 = 200
2y = 200

Divide each side by '2'.
y = 100

Simplifying
y = 100

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