-7n-9=-128

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Solution for -7n-9=-128 equation: 


Simplifying
-7n + -9 = -128

Reorder the terms:
-9 + -7n = -128

Solving
-9 + -7n = -128

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + -7n = -128 + 9

Combine like terms: -9 + 9 = 0
0 + -7n = -128 + 9
-7n = -128 + 9

Combine like terms: -128 + 9 = -119
-7n = -119

Divide each side by '-7'.
n = 17

Simplifying
n = 17

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