3(-8-3r)=30

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Solution for 3(-8-3r)=30 equation: 


Simplifying
3(-8 + -3r) = 30
(-8 * 3 + -3r * 3) = 30
(-24 + -9r) = 30

Solving
-24 + -9r = 30

Solving for variable 'r'.

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

Add '24' to each side of the equation.
-24 + 24 + -9r = 30 + 24

Combine like terms: -24 + 24 = 0
0 + -9r = 30 + 24
-9r = 30 + 24

Combine like terms: 30 + 24 = 54
-9r = 54

Divide each side by '-9'.
r = -6

Simplifying
r = -6

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