11n+9=13n-7

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


Simplifying
11n + 9 = 13n + -7

Reorder the terms:
9 + 11n = 13n + -7

Reorder the terms:
9 + 11n = -7 + 13n

Solving
9 + 11n = -7 + 13n

Solving for variable 'n'.

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

Add '-13n' to each side of the equation.
9 + 11n + -13n = -7 + 13n + -13n

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

Combine like terms: 13n + -13n = 0
9 + -2n = -7 + 0
9 + -2n = -7

Add '-9' to each side of the equation.
9 + -9 + -2n = -7 + -9

Combine like terms: 9 + -9 = 0
0 + -2n = -7 + -9
-2n = -7 + -9

Combine like terms: -7 + -9 = -16
-2n = -16

Divide each side by '-2'.
n = 8

Simplifying
n = 8

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