3n-2+7=8

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Solution for 3n-2+7=8 equation: 


Simplifying
3n + -2 + 7 = 8

Reorder the terms:
-2 + 7 + 3n = 8

Combine like terms: -2 + 7 = 5
5 + 3n = 8

Solving
5 + 3n = 8

Solving for variable 'n'.

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

Add '-5' to each side of the equation.
5 + -5 + 3n = 8 + -5

Combine like terms: 5 + -5 = 0
0 + 3n = 8 + -5
3n = 8 + -5

Combine like terms: 8 + -5 = 3
3n = 3

Divide each side by '3'.
n = 1

Simplifying
n = 1

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