5r-18r-6=111

Solution for 5r-18r-6=111 equation:

Simplifying
5r + -18r + -6 = 111

Reorder the terms:
-6 + 5r + -18r = 111

Combine like terms: 5r + -18r = -13r
-6 + -13r = 111

Solving
-6 + -13r = 111

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 + -13r = 111 + 6

Combine like terms: -6 + 6 = 0
0 + -13r = 111 + 6
-13r = 111 + 6

Combine like terms: 111 + 6 = 117
-13r = 117

Divide each side by '-13'.
r = -9

Simplifying
r = -9