N(7)=(-N)+(-N)-18

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Solution for N(7)=(-N)+(-N)-18 equation:


Simplifying
N(7) = (-1N) + (-1N) + -18

Reorder the terms for easier multiplication:
7N = (-1N) + (-1N) + -18

Reorder the terms:
7N = -18 + (-1N) + (-1N)

Combine like terms: (-1N) + (-1N) = -2N
7N = -18 + -2N

Solving
7N = -18 + -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.
7N + 2N = -18 + -2N + 2N

Combine like terms: 7N + 2N = 9N
9N = -18 + -2N + 2N

Combine like terms: -2N + 2N = 0
9N = -18 + 0
9N = -18

Divide each side by '9'.
N = -2

Simplifying
N = -2

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