3n+2(n-3)=91.50

Solution for 3n+2(n-3)=91.50 equation:

Simplifying
3n + 2(n + -3) = 91.50

Reorder the terms:
3n + 2(-3 + n) = 91.50
3n + (-3 * 2 + n * 2) = 91.50
3n + (-6 + 2n) = 91.50

Reorder the terms:
-6 + 3n + 2n = 91.50

Combine like terms: 3n + 2n = 5n
-6 + 5n = 91.50

Solving
-6 + 5n = 91.50

Solving for variable 'n'.

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

Add '6' to each side of the equation.
-6 + 6 + 5n = 91.50 + 6

Combine like terms: -6 + 6 = 0
0 + 5n = 91.50 + 6
5n = 91.50 + 6

Combine like terms: 91.50 + 6 = 97.5
5n = 97.5

Divide each side by '5'.
n = 19.5

Simplifying
n = 19.5