7+8=(3n-1)

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Solution for 7+8=(3n-1) equation:


Simplifying
7 + 8 = (3n + -1)

Combine like terms: 7 + 8 = 15
15 = (3n + -1)

Reorder the terms:
15 = (-1 + 3n)

Remove parenthesis around (-1 + 3n)
15 = -1 + 3n

Solving
15 = -1 + 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.
15 + -3n = -1 + 3n + -3n

Combine like terms: 3n + -3n = 0
15 + -3n = -1 + 0
15 + -3n = -1

Add '-15' to each side of the equation.
15 + -15 + -3n = -1 + -15

Combine like terms: 15 + -15 = 0
0 + -3n = -1 + -15
-3n = -1 + -15

Combine like terms: -1 + -15 = -16
-3n = -16

Divide each side by '-3'.
n = 5.333333333

Simplifying
n = 5.333333333

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