4y-20=4y-20

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Solution for 4y-20=4y-20 equation: 


Simplifying
4y + -20 = 4y + -20

Reorder the terms:
-20 + 4y = 4y + -20

Reorder the terms:
-20 + 4y = -20 + 4y

Add '20' to each side of the equation.
-20 + 20 + 4y = -20 + 20 + 4y

Combine like terms: -20 + 20 = 0
0 + 4y = -20 + 20 + 4y
4y = -20 + 20 + 4y

Combine like terms: -20 + 20 = 0
4y = 0 + 4y
4y = 4y

Add '-4y' to each side of the equation.
4y + -4y = 4y + -4y

Combine like terms: 4y + -4y = 0
0 = 4y + -4y

Combine like terms: 4y + -4y = 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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