15+-1n=6+-1n+n

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Solution for 15+-1n=6+-1n+n equation: 


Simplifying
15 + -1n = 6 + -1n + n

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

Solving
15 + -1n = 6

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-15' to each side of the equation.
15 + -15 + -1n = 6 + -15

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

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

Divide each side by '-1'.
n = 9

Simplifying
n = 9

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