-12-3r=8

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Solution for -12-3r=8 equation: 


Simplifying
-12 + -3r = 8

Solving
-12 + -3r = 8

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + -3r = 8 + 12

Combine like terms: -12 + 12 = 0
0 + -3r = 8 + 12
-3r = 8 + 12

Combine like terms: 8 + 12 = 20
-3r = 20

Divide each side by '-3'.
r = -6.666666667

Simplifying
r = -6.666666667

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