-2-2(N-3)-3N=21+3

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Solution for -2-2(N-3)-3N=21+3 equation: 


Simplifying
-2 + -2(N + -3) + -3N = 21 + 3

Reorder the terms:
-2 + -2(-3 + N) + -3N = 21 + 3
-2 + (-3 * -2 + N * -2) + -3N = 21 + 3
-2 + (6 + -2N) + -3N = 21 + 3

Combine like terms: -2 + 6 = 4
4 + -2N + -3N = 21 + 3

Combine like terms: -2N + -3N = -5N
4 + -5N = 21 + 3

Combine like terms: 21 + 3 = 24
4 + -5N = 24

Solving
4 + -5N = 24

Solving for variable 'N'.

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

Add '-4' to each side of the equation.
4 + -4 + -5N = 24 + -4

Combine like terms: 4 + -4 = 0
0 + -5N = 24 + -4
-5N = 24 + -4

Combine like terms: 24 + -4 = 20
-5N = 20

Divide each side by '-5'.
N = -4

Simplifying
N = -4

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