3(2r+9)=30

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Solution for 3(2r+9)=30 equation: 


Simplifying
3(2r + 9) = 30

Reorder the terms:
3(9 + 2r) = 30
(9 * 3 + 2r * 3) = 30
(27 + 6r) = 30

Solving
27 + 6r = 30

Solving for variable 'r'.

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

Add '-27' to each side of the equation.
27 + -27 + 6r = 30 + -27

Combine like terms: 27 + -27 = 0
0 + 6r = 30 + -27
6r = 30 + -27

Combine like terms: 30 + -27 = 3
6r = 3

Divide each side by '6'.
r = 0.5

Simplifying
r = 0.5

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