9=-9-2N

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Solution for 9=-9-2N equation:


Simplifying
9 = -9 + -2N

Solving
9 = -9 + -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.
9 + 2N = -9 + -2N + 2N

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

Add '-9' to each side of the equation.
9 + -9 + 2N = -9 + -9

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

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

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

Simplifying
N = -9

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