9+n-7=15

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Solution for 9+n-7=15 equation: 


Simplifying
9 + n + -7 = 15

Reorder the terms:
9 + -7 + n = 15

Combine like terms: 9 + -7 = 2
2 + n = 15

Solving
2 + n = 15

Solving for variable 'n'.

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

Add '-2' to each side of the equation.
2 + -2 + n = 15 + -2

Combine like terms: 2 + -2 = 0
0 + n = 15 + -2
n = 15 + -2

Combine like terms: 15 + -2 = 13
n = 13

Simplifying
n = 13

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