Y-21=8y

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Solution for Y-21=8y equation: 


Simplifying
Y + -21 = 8y

Reorder the terms:
-21 + Y = 8y

Solving
-21 + Y = 8y

Solving for variable 'Y'.

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

Add '21' to each side of the equation.
-21 + 21 + Y = 21 + 8y

Combine like terms: -21 + 21 = 0
0 + Y = 21 + 8y
Y = 21 + 8y

Simplifying
Y = 21 + 8y

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