6-9n=7n-9n+13

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Solution for 6-9n=7n-9n+13 equation:


Simplifying
6 + -9n = 7n + -9n + 13

Reorder the terms:
6 + -9n = 13 + 7n + -9n

Combine like terms: 7n + -9n = -2n
6 + -9n = 13 + -2n

Solving
6 + -9n = 13 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
6 + -9n + 2n = 13 + -2n + 2n

Combine like terms: -9n + 2n = -7n
6 + -7n = 13 + -2n + 2n

Combine like terms: -2n + 2n = 0
6 + -7n = 13 + 0
6 + -7n = 13

Add '-6' to each side of the equation.
6 + -6 + -7n = 13 + -6

Combine like terms: 6 + -6 = 0
0 + -7n = 13 + -6
-7n = 13 + -6

Combine like terms: 13 + -6 = 7
-7n = 7

Divide each side by '-7'.
n = -1

Simplifying
n = -1

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