3(r+2)=20

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Solution for 3(r+2)=20 equation: 


Simplifying
3(r + 2) = 20

Reorder the terms:
3(2 + r) = 20
(2 * 3 + r * 3) = 20
(6 + 3r) = 20

Solving
6 + 3r = 20

Solving for variable 'r'.

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

Add '-6' to each side of the equation.
6 + -6 + 3r = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 3r = 20 + -6
3r = 20 + -6

Combine like terms: 20 + -6 = 14
3r = 14

Divide each side by '3'.
r = 4.666666667

Simplifying
r = 4.666666667

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