-9=-n-(8-7n)

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Solution for -9=-n-(8-7n) equation:


Simplifying
-9 = -1n + -1(8 + -7n)
-9 = -1n + (8 * -1 + -7n * -1)
-9 = -1n + (-8 + 7n)

Reorder the terms:
-9 = -8 + -1n + 7n

Combine like terms: -1n + 7n = 6n
-9 = -8 + 6n

Solving
-9 = -8 + 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
-9 + -6n = -8 + 6n + -6n

Combine like terms: 6n + -6n = 0
-9 + -6n = -8 + 0
-9 + -6n = -8

Add '9' to each side of the equation.
-9 + 9 + -6n = -8 + 9

Combine like terms: -9 + 9 = 0
0 + -6n = -8 + 9
-6n = -8 + 9

Combine like terms: -8 + 9 = 1
-6n = 1

Divide each side by '-6'.
n = -0.1666666667

Simplifying
n = -0.1666666667

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