-3(-3+3r)=-54

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Solution for -3(-3+3r)=-54 equation: 


Simplifying
-3(-3 + 3r) = -54
(-3 * -3 + 3r * -3) = -54
(9 + -9r) = -54

Solving
9 + -9r = -54

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 = -54 + -9

Combine like terms: 9 + -9 = 0
0 + -9r = -54 + -9
-9r = -54 + -9

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

Divide each side by '-9'.
r = 7

Simplifying
r = 7

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