-3(5-9.5r)=20.5

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Solution for -3(5-9.5r)=20.5 equation: 


Simplifying
-3(5 + -9.5r) = 20.5
(5 * -3 + -9.5r * -3) = 20.5
(-15 + 28.5r) = 20.5

Solving
-15 + 28.5r = 20.5

Solving for variable 'r'.

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

Add '15' to each side of the equation.
-15 + 15 + 28.5r = 20.5 + 15

Combine like terms: -15 + 15 = 0
0 + 28.5r = 20.5 + 15
28.5r = 20.5 + 15

Combine like terms: 20.5 + 15 = 35.5
28.5r = 35.5

Divide each side by '28.5'.
r = 1.245614035

Simplifying
r = 1.245614035

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