n+2n-7=8

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


Simplifying
n + 2n + -7 = 8

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

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

Solving
-7 + 3n = 8

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + 3n = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 3n = 8 + 7
3n = 8 + 7

Combine like terms: 8 + 7 = 15
3n = 15

Divide each side by '3'.
n = 5

Simplifying
n = 5

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