21y+12-21y=12

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Solution for 21y+12-21y=12 equation: 


Simplifying
21y + 12 + -21y = 12

Reorder the terms:
12 + 21y + -21y = 12

Combine like terms: 21y + -21y = 0
12 + 0 = 12
12 = 12

Add '-12' to each side of the equation.
12 + -12 = 12 + -12

Combine like terms: 12 + -12 = 0
0 = 12 + -12

Combine like terms: 12 + -12 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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