-3r+9=-1

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Solution for -3r+9=-1 equation: 


Simplifying
-3r + 9 = -1

Reorder the terms:
9 + -3r = -1

Solving
9 + -3r = -1

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 = -1 + -9

Combine like terms: 9 + -9 = 0
0 + -3r = -1 + -9
-3r = -1 + -9

Combine like terms: -1 + -9 = -10
-3r = -10

Divide each side by '-3'.
r = 3.333333333

Simplifying
r = 3.333333333

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