-3(-6r-3)+6r=111

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Solution for -3(-6r-3)+6r=111 equation:


Simplifying
-3(-6r + -3) + 6r = 111

Reorder the terms:
-3(-3 + -6r) + 6r = 111
(-3 * -3 + -6r * -3) + 6r = 111
(9 + 18r) + 6r = 111

Combine like terms: 18r + 6r = 24r
9 + 24r = 111

Solving
9 + 24r = 111

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 24r = 111 + -9

Combine like terms: 9 + -9 = 0
0 + 24r = 111 + -9
24r = 111 + -9

Combine like terms: 111 + -9 = 102
24r = 102

Divide each side by '24'.
r = 4.25

Simplifying
r = 4.25

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