3(r+5)=66

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Solution for 3(r+5)=66 equation: 


Simplifying
3(r + 5) = 66

Reorder the terms:
3(5 + r) = 66
(5 * 3 + r * 3) = 66
(15 + 3r) = 66

Solving
15 + 3r = 66

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 + 3r = 66 + -15

Combine like terms: 15 + -15 = 0
0 + 3r = 66 + -15
3r = 66 + -15

Combine like terms: 66 + -15 = 51
3r = 51

Divide each side by '3'.
r = 17

Simplifying
r = 17

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