Y-20=21

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Solution for Y-20=21 equation: 


Simplifying
Y + -20 = 21

Reorder the terms:
-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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