-n+1=3(n+7)

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Solution for -n+1=3(n+7) equation:


Simplifying
-1n + 1 = 3(n + 7)

Reorder the terms:
1 + -1n = 3(n + 7)

Reorder the terms:
1 + -1n = 3(7 + n)
1 + -1n = (7 * 3 + n * 3)
1 + -1n = (21 + 3n)

Solving
1 + -1n = 21 + 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.
1 + -1n + -3n = 21 + 3n + -3n

Combine like terms: -1n + -3n = -4n
1 + -4n = 21 + 3n + -3n

Combine like terms: 3n + -3n = 0
1 + -4n = 21 + 0
1 + -4n = 21

Add '-1' to each side of the equation.
1 + -1 + -4n = 21 + -1

Combine like terms: 1 + -1 = 0
0 + -4n = 21 + -1
-4n = 21 + -1

Combine like terms: 21 + -1 = 20
-4n = 20

Divide each side by '-4'.
n = -5

Simplifying
n = -5

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