N-4+N-4+N-4+N-4=7

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Solution for N-4+N-4+N-4+N-4=7 equation: 


Simplifying
N + -4 + N + -4 + N + -4 + N + -4 = 7

Reorder the terms:
-4 + -4 + -4 + -4 + N + N + N + N = 7

Combine like terms: -4 + -4 = -8
-8 + -4 + -4 + N + N + N + N = 7

Combine like terms: -8 + -4 = -12
-12 + -4 + N + N + N + N = 7

Combine like terms: -12 + -4 = -16
-16 + N + N + N + N = 7

Combine like terms: N + N = 2N
-16 + 2N + N + N = 7

Combine like terms: 2N + N = 3N
-16 + 3N + N = 7

Combine like terms: 3N + N = 4N
-16 + 4N = 7

Solving
-16 + 4N = 7

Solving for variable 'N'.

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

Add '16' to each side of the equation.
-16 + 16 + 4N = 7 + 16

Combine like terms: -16 + 16 = 0
0 + 4N = 7 + 16
4N = 7 + 16

Combine like terms: 7 + 16 = 23
4N = 23

Divide each side by '4'.
N = 5.75

Simplifying
N = 5.75

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