y+3y-4=4y-4

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Solution for y+3y-4=4y-4 equation: 


Simplifying
y + 3y + -4 = 4y + -4

Reorder the terms:
-4 + y + 3y = 4y + -4

Combine like terms: y + 3y = 4y
-4 + 4y = 4y + -4

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

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

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

Combine like terms: -4 + 4 = 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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