3(8+r)=30

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Solution for 3(8+r)=30 equation: 


Simplifying
3(8 + r) = 30
(8 * 3 + r * 3) = 30
(24 + 3r) = 30

Solving
24 + 3r = 30

Solving for variable 'r'.

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

Add '-24' to each side of the equation.
24 + -24 + 3r = 30 + -24

Combine like terms: 24 + -24 = 0
0 + 3r = 30 + -24
3r = 30 + -24

Combine like terms: 30 + -24 = 6
3r = 6

Divide each side by '3'.
r = 2

Simplifying
r = 2

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