3X+N=7+5-13

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Solution for 3X+N=7+5-13 equation: 


Simplifying
3X + N = 7 + 5 + -13

Reorder the terms:
N + 3X = 7 + 5 + -13

Combine like terms: 7 + 5 = 12
N + 3X = 12 + -13

Combine like terms: 12 + -13 = -1
N + 3X = -1

Solving
N + 3X = -1

Solving for variable 'N'.

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

Add '-3X' to each side of the equation.
N + 3X + -3X = -1 + -3X

Combine like terms: 3X + -3X = 0
N + 0 = -1 + -3X
N = -1 + -3X

Simplifying
N = -1 + -3X

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