3(r+24)=390

Solution for 3(r+24)=390 equation:

Simplifying
3(r + 24) = 390

Reorder the terms:
3(24 + r) = 390
(24 * 3 + r * 3) = 390
(72 + 3r) = 390

Solving
72 + 3r = 390

Solving for variable 'r'.

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

Add '-72' to each side of the equation.
72 + -72 + 3r = 390 + -72

Combine like terms: 72 + -72 = 0
0 + 3r = 390 + -72
3r = 390 + -72

Combine like terms: 390 + -72 = 318
3r = 318

Divide each side by '3'.
r = 106

Simplifying
r = 106