y-20=30

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Solution for y-20=30 equation: 


Simplifying
y + -20 = 30

Reorder the terms:
-20 + y = 30

Solving
-20 + y = 30

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 + y = 30 + 20

Combine like terms: -20 + 20 = 0
0 + y = 30 + 20
y = 30 + 20

Combine like terms: 30 + 20 = 50
y = 50

Simplifying
y = 50

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