3(1+8r)=28

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Solution for 3(1+8r)=28 equation: 


Simplifying
3(1 + 8r) = 28
(1 * 3 + 8r * 3) = 28
(3 + 24r) = 28

Solving
3 + 24r = 28

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + 24r = 28 + -3

Combine like terms: 3 + -3 = 0
0 + 24r = 28 + -3
24r = 28 + -3

Combine like terms: 28 + -3 = 25
24r = 25

Divide each side by '24'.
r = 1.041666667

Simplifying
r = 1.041666667

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