39-8r=3(r+2)

Solution for 39-8r=3(r+2) equation:

Simplifying
39 + -8r = 3(r + 2)

Reorder the terms:
39 + -8r = 3(2 + r)
39 + -8r = (2 * 3 + r * 3)
39 + -8r = (6 + 3r)

Solving
39 + -8r = 6 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
39 + -8r + -3r = 6 + 3r + -3r

Combine like terms: -8r + -3r = -11r
39 + -11r = 6 + 3r + -3r

Combine like terms: 3r + -3r = 0
39 + -11r = 6 + 0
39 + -11r = 6

Add '-39' to each side of the equation.
39 + -39 + -11r = 6 + -39

Combine like terms: 39 + -39 = 0
0 + -11r = 6 + -39
-11r = 6 + -39

Combine like terms: 6 + -39 = -33
-11r = -33

Divide each side by '-11'.
r = 3

Simplifying
r = 3