4r+6+8r=-18

Solution for 4r+6+8r=-18 equation:

Simplifying
4r + 6 + 8r = -18

Reorder the terms:
6 + 4r + 8r = -18

Combine like terms: 4r + 8r = 12r
6 + 12r = -18

Solving
6 + 12r = -18

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 + 12r = -18 + -6

Combine like terms: 6 + -6 = 0
0 + 12r = -18 + -6
12r = -18 + -6

Combine like terms: -18 + -6 = -24
12r = -24

Divide each side by '12'.
r = -2

Simplifying
r = -2