-3(-3r-6)=63

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Solution for -3(-3r-6)=63 equation:


Simplifying
-3(-3r + -6) = 63

Reorder the terms:
-3(-6 + -3r) = 63
(-6 * -3 + -3r * -3) = 63
(18 + 9r) = 63

Solving
18 + 9r = 63

Solving for variable 'r'.

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

Add '-18' to each side of the equation.
18 + -18 + 9r = 63 + -18

Combine like terms: 18 + -18 = 0
0 + 9r = 63 + -18
9r = 63 + -18

Combine like terms: 63 + -18 = 45
9r = 45

Divide each side by '9'.
r = 5

Simplifying
r = 5

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