-9-7n=-(n+3)

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Solution for -9-7n=-(n+3) equation:


Simplifying
-9 + -7n = -1(n + 3)

Reorder the terms:
-9 + -7n = -1(3 + n)
-9 + -7n = (3 * -1 + n * -1)
-9 + -7n = (-3 + -1n)

Solving
-9 + -7n = -3 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-9 + -7n + n = -3 + -1n + n

Combine like terms: -7n + n = -6n
-9 + -6n = -3 + -1n + n

Combine like terms: -1n + n = 0
-9 + -6n = -3 + 0
-9 + -6n = -3

Add '9' to each side of the equation.
-9 + 9 + -6n = -3 + 9

Combine like terms: -9 + 9 = 0
0 + -6n = -3 + 9
-6n = -3 + 9

Combine like terms: -3 + 9 = 6
-6n = 6

Divide each side by '-6'.
n = -1

Simplifying
n = -1

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