7-4y=9-7y+3y

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Solution for 7-4y=9-7y+3y equation: 


Simplifying
7 + -4y = 9 + -7y + 3y

Combine like terms: -7y + 3y = -4y
7 + -4y = 9 + -4y

Add '4y' to each side of the equation.
7 + -4y + 4y = 9 + -4y + 4y

Combine like terms: -4y + 4y = 0
7 + 0 = 9 + -4y + 4y
7 = 9 + -4y + 4y

Combine like terms: -4y + 4y = 0
7 = 9 + 0
7 = 9

Solving
7 = 9

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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