N-4-8=-42

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Solution for N-4-8=-42 equation: 


Simplifying
N + -4 + -8 = -42

Reorder the terms:
-4 + -8 + N = -42

Combine like terms: -4 + -8 = -12
-12 + N = -42

Solving
-12 + N = -42

Solving for variable 'N'.

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

Add '12' to each side of the equation.
-12 + 12 + N = -42 + 12

Combine like terms: -12 + 12 = 0
0 + N = -42 + 12
N = -42 + 12

Combine like terms: -42 + 12 = -30
N = -30

Simplifying
N = -30

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