-3r-9=-27

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Solution for -3r-9=-27 equation: 


Simplifying
-3r + -9 = -27

Reorder the terms:
-9 + -3r = -27

Solving
-9 + -3r = -27

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 + -3r = -27 + 9

Combine like terms: -9 + 9 = 0
0 + -3r = -27 + 9
-3r = -27 + 9

Combine like terms: -27 + 9 = -18
-3r = -18

Divide each side by '-3'.
r = 6

Simplifying
r = 6

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