7-11n+9n=-13

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Solution for 7-11n+9n=-13 equation: 


Simplifying
7 + -11n + 9n = -13

Combine like terms: -11n + 9n = -2n
7 + -2n = -13

Solving
7 + -2n = -13

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + -2n = -13 + -7

Combine like terms: 7 + -7 = 0
0 + -2n = -13 + -7
-2n = -13 + -7

Combine like terms: -13 + -7 = -20
-2n = -20

Divide each side by '-2'.
n = 10

Simplifying
n = 10

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