8(2+9r)=-30

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Solution for 8(2+9r)=-30 equation: 


Simplifying
8(2 + 9r) = -30
(2 * 8 + 9r * 8) = -30
(16 + 72r) = -30

Solving
16 + 72r = -30

Solving for variable 'r'.

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

Add '-16' to each side of the equation.
16 + -16 + 72r = -30 + -16

Combine like terms: 16 + -16 = 0
0 + 72r = -30 + -16
72r = -30 + -16

Combine like terms: -30 + -16 = -46
72r = -46

Divide each side by '72'.
r = -0.6388888889

Simplifying
r = -0.6388888889

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