1.5r+1.5(r+4)=39

Solution for 1.5r+1.5(r+4)=39 equation:

Simplifying
1.5r + 1.5(r + 4) = 39

Reorder the terms:
1.5r + 1.5(4 + r) = 39
1.5r + (4 * 1.5 + r * 1.5) = 39
1.5r + (6 + 1.5r) = 39

Reorder the terms:
6 + 1.5r + 1.5r = 39

Combine like terms: 1.5r + 1.5r = 3r
6 + 3r = 39

Solving
6 + 3r = 39

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 + 3r = 39 + -6

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

Combine like terms: 39 + -6 = 33
3r = 33

Divide each side by '3'.
r = 11

Simplifying
r = 11