7n-(-2n)+8=

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Solution for 7n-(-2n)+8= equation:


Simplifying
7n + -1(-2n) + 8 = 0

Remove parenthesis around (-2n)
7n + -1 * -2n + 8 = 0

Multiply -1 * -2
7n + 2n + 8 = 0

Reorder the terms:
8 + 7n + 2n = 0

Combine like terms: 7n + 2n = 9n
8 + 9n = 0

Solving
8 + 9n = 0

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + 9n = 0 + -8

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

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

Divide each side by '9'.
n = -0.8888888889

Simplifying
n = -0.8888888889

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