-20+y=21

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Solution for -20+y=21 equation: 


Simplifying
-20 + y = 21

Solving
-20 + y = 21

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 = 21 + 20

Combine like terms: -20 + 20 = 0
0 + y = 21 + 20
y = 21 + 20

Combine like terms: 21 + 20 = 41
y = 41

Simplifying
y = 41

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