(n+9)-(n-6)=

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Solution for (n+9)-(n-6)= equation:


Simplifying
(n + 9) + -1(n + -6) = 0

Reorder the terms:
(9 + n) + -1(n + -6) = 0

Remove parenthesis around (9 + n)
9 + n + -1(n + -6) = 0

Reorder the terms:
9 + n + -1(-6 + n) = 0
9 + n + (-6 * -1 + n * -1) = 0
9 + n + (6 + -1n) = 0

Reorder the terms:
9 + 6 + n + -1n = 0

Combine like terms: 9 + 6 = 15
15 + n + -1n = 0

Combine like terms: n + -1n = 0
15 + 0 = 0
15 = 0

Solving
15 = 0

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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