9n-3n-3(2n-1)=15

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Solution for 9n-3n-3(2n-1)=15 equation:


Simplifying
9n + -3n + -3(2n + -1) = 15

Reorder the terms:
9n + -3n + -3(-1 + 2n) = 15
9n + -3n + (-1 * -3 + 2n * -3) = 15
9n + -3n + (3 + -6n) = 15

Reorder the terms:
3 + 9n + -3n + -6n = 15

Combine like terms: 9n + -3n = 6n
3 + 6n + -6n = 15

Combine like terms: 6n + -6n = 0
3 + 0 = 15
3 = 15

Solving
3 = 15

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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