7n+-9n+-5=-15

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Solution for 7n+-9n+-5=-15 equation: 


Simplifying
7n + -9n + -5 = -15

Reorder the terms:
-5 + 7n + -9n = -15

Combine like terms: 7n + -9n = -2n
-5 + -2n = -15

Solving
-5 + -2n = -15

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + -2n = -15 + 5

Combine like terms: -5 + 5 = 0
0 + -2n = -15 + 5
-2n = -15 + 5

Combine like terms: -15 + 5 = -10
-2n = -10

Divide each side by '-2'.
n = 5

Simplifying
n = 5

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