3+2n+1=8

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Solution for 3+2n+1=8 equation: 


Simplifying
3 + 2n + 1 = 8

Reorder the terms:
3 + 1 + 2n = 8

Combine like terms: 3 + 1 = 4
4 + 2n = 8

Solving
4 + 2n = 8

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + 2n = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2n = 8 + -4
2n = 8 + -4

Combine like terms: 8 + -4 = 4
2n = 4

Divide each side by '2'.
n = 2

Simplifying
n = 2

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