7N-5N-2N+N=20

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Solution for 7N-5N-2N+N=20 equation: 


Simplifying
7N + -5N + -2N + N = 20

Combine like terms: 7N + -5N = 2N
2N + -2N + N = 20

Combine like terms: 2N + -2N = 0
0 + N = 20
N = 20

Solving
N = 20

Solving for variable 'N'.

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

Simplifying
N = 20

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