2y-4-7=2y-4

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Solution for 2y-4-7=2y-4 equation: 


Simplifying
2y + -4 + -7 = 2y + -4

Reorder the terms:
-4 + -7 + 2y = 2y + -4

Combine like terms: -4 + -7 = -11
-11 + 2y = 2y + -4

Reorder the terms:
-11 + 2y = -4 + 2y

Add '-2y' to each side of the equation.
-11 + 2y + -2y = -4 + 2y + -2y

Combine like terms: 2y + -2y = 0
-11 + 0 = -4 + 2y + -2y
-11 = -4 + 2y + -2y

Combine like terms: 2y + -2y = 0
-11 = -4 + 0
-11 = -4

Solving
-11 = -4

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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