7N-5N-7+6N-18=3N

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Solution for 7N-5N-7+6N-18=3N equation:


Simplifying
7N + -5N + -7 + 6N + -18 = 3N

Reorder the terms:
-7 + -18 + 7N + -5N + 6N = 3N

Combine like terms: -7 + -18 = -25
-25 + 7N + -5N + 6N = 3N

Combine like terms: 7N + -5N = 2N
-25 + 2N + 6N = 3N

Combine like terms: 2N + 6N = 8N
-25 + 8N = 3N

Solving
-25 + 8N = 3N

Solving for variable 'N'.

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

Add '-3N' to each side of the equation.
-25 + 8N + -3N = 3N + -3N

Combine like terms: 8N + -3N = 5N
-25 + 5N = 3N + -3N

Combine like terms: 3N + -3N = 0
-25 + 5N = 0

Add '25' to each side of the equation.
-25 + 25 + 5N = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 5N = 0 + 25
5N = 0 + 25

Combine like terms: 0 + 25 = 25
5N = 25

Divide each side by '5'.
N = 5

Simplifying
N = 5

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