3n-1=7

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Solution for 3n-1=7 equation: 


Simplifying
3n + -1 = 7

Reorder the terms:
-1 + 3n = 7

Solving
-1 + 3n = 7

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 3n = 7 + 1

Combine like terms: -1 + 1 = 0
0 + 3n = 7 + 1
3n = 7 + 1

Combine like terms: 7 + 1 = 8
3n = 8

Divide each side by '3'.
n = 2.666666667

Simplifying
n = 2.666666667

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