-5n-3+7n=15

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Solution for -5n-3+7n=15 equation: 


Simplifying
-5n + -3 + 7n = 15

Reorder the terms:
-3 + -5n + 7n = 15

Combine like terms: -5n + 7n = 2n
-3 + 2n = 15

Solving
-3 + 2n = 15

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + 2n = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 2n = 15 + 3
2n = 15 + 3

Combine like terms: 15 + 3 = 18
2n = 18

Divide each side by '2'.
n = 9

Simplifying
n = 9

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