21-3y=36-3y

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Solution for 21-3y=36-3y equation: 


Simplifying
21 + -3y = 36 + -3y

Add '3y' to each side of the equation.
21 + -3y + 3y = 36 + -3y + 3y

Combine like terms: -3y + 3y = 0
21 + 0 = 36 + -3y + 3y
21 = 36 + -3y + 3y

Combine like terms: -3y + 3y = 0
21 = 36 + 0
21 = 36

Solving
21 = 36

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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