8r+6+.5r=91

Solution for 8r+6+.5r=91 equation:

Simplifying
8r + 6 + 0.5r = 91

Reorder the terms:
6 + 8r + 0.5r = 91

Combine like terms: 8r + 0.5r = 8.5r
6 + 8.5r = 91

Solving
6 + 8.5r = 91

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + 8.5r = 91 + -6

Combine like terms: 6 + -6 = 0
0 + 8.5r = 91 + -6
8.5r = 91 + -6

Combine like terms: 91 + -6 = 85
8.5r = 85

Divide each side by '8.5'.
r = 10

Simplifying
r = 10