3+-9+8=n+2n+n

Solution for 3+-9+8=n+2n+n equation:

Simplifying
3 + -9 + 8 = n + 2n + n

Combine like terms: 3 + -9 = -6
-6 + 8 = n + 2n + n

Combine like terms: -6 + 8 = 2
2 = n + 2n + n

Combine like terms: n + 2n = 3n
2 = 3n + n

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

Solving
2 = 4n

Solving for variable 'n'.

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

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

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

Add '-2' to each side of the equation.
2 + -2 + -4n = 0 + -2

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

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

Divide each side by '-4'.
n = 0.5

Simplifying
n = 0.5