-3r-3=-9

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Solution for -3r-3=-9 equation: 


Simplifying
-3r + -3 = -9

Reorder the terms:
-3 + -3r = -9

Solving
-3 + -3r = -9

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + -3r = -9 + 3

Combine like terms: -3 + 3 = 0
0 + -3r = -9 + 3
-3r = -9 + 3

Combine like terms: -9 + 3 = -6
-3r = -6

Divide each side by '-3'.
r = 2

Simplifying
r = 2

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