N+0.2n+3.9=(n-1)

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Solution for N+0.2n+3.9=(n-1) equation:


Simplifying
N + 0.2n + 3.9 = (n + -1)

Reorder the terms:
3.9 + N + 0.2n = (n + -1)

Reorder the terms:
3.9 + N + 0.2n = (-1 + n)

Remove parenthesis around (-1 + n)
3.9 + N + 0.2n = -1 + n

Solving
3.9 + N + 0.2n = -1 + n

Solving for variable 'N'.

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

Add '-3.9' to each side of the equation.
3.9 + N + -3.9 + 0.2n = -1 + -3.9 + n

Reorder the terms:
3.9 + -3.9 + N + 0.2n = -1 + -3.9 + n

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + N + 0.2n = -1 + -3.9 + n
N + 0.2n = -1 + -3.9 + n

Combine like terms: -1 + -3.9 = -4.9
N + 0.2n = -4.9 + n

Add '-0.2n' to each side of the equation.
N + 0.2n + -0.2n = -4.9 + n + -0.2n

Combine like terms: 0.2n + -0.2n = 0.0
N + 0.0 = -4.9 + n + -0.2n
N = -4.9 + n + -0.2n

Combine like terms: n + -0.2n = 0.8n
N = -4.9 + 0.8n

Simplifying
N = -4.9 + 0.8n

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