7-9a=9-9a

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Solution for 7-9a=9-9a equation: 


Simplifying
7 + -9a = 9 + -9a

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

Combine like terms: -9a + 9a = 0
7 + 0 = 9 + -9a + 9a
7 = 9 + -9a + 9a

Combine like terms: -9a + 9a = 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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