-3(-3+3r)=63

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


Simplifying
-3(-3 + 3r) = 63
(-3 * -3 + 3r * -3) = 63
(9 + -9r) = 63

Solving
9 + -9r = 63

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 + -9r = 63 + -9

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

Combine like terms: 63 + -9 = 54
-9r = 54

Divide each side by '-9'.
r = -6

Simplifying
r = -6

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