1+5n+2n=9+7n

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Solution for 1+5n+2n=9+7n equation: 


Simplifying
1 + 5n + 2n = 9 + 7n

Combine like terms: 5n + 2n = 7n
1 + 7n = 9 + 7n

Add '-7n' to each side of the equation.
1 + 7n + -7n = 9 + 7n + -7n

Combine like terms: 7n + -7n = 0
1 + 0 = 9 + 7n + -7n
1 = 9 + 7n + -7n

Combine like terms: 7n + -7n = 0
1 = 9 + 0
1 = 9

Solving
1 = 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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