3(6r-5)=-123

Solution for 3(6r-5)=-123 equation:

Simplifying
3(6r + -5) = -123

Reorder the terms:
3(-5 + 6r) = -123
(-5 * 3 + 6r * 3) = -123
(-15 + 18r) = -123

Solving
-15 + 18r = -123

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + 18r = -123 + 15

Combine like terms: -15 + 15 = 0
0 + 18r = -123 + 15
18r = -123 + 15

Combine like terms: -123 + 15 = -108
18r = -108

Divide each side by '18'.
r = -6

Simplifying
r = -6