y+3-12=y-9

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Solution for y+3-12=y-9 equation: 


Simplifying
y + 3 + -12 = y + -9

Reorder the terms:
3 + -12 + y = y + -9

Combine like terms: 3 + -12 = -9
-9 + y = y + -9

Reorder the terms:
-9 + y = -9 + y

Add '9' to each side of the equation.
-9 + 9 + y = -9 + 9 + y

Combine like terms: -9 + 9 = 0
0 + y = -9 + 9 + y
y = -9 + 9 + y

Combine like terms: -9 + 9 = 0
y = 0 + y
y = y

Add '-1y' to each side of the equation.
y + -1y = y + -1y

Combine like terms: y + -1y = 0
0 = y + -1y

Combine like terms: y + -1y = 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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