4(3+9r)=23

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Solution for 4(3+9r)=23 equation: 


Simplifying
4(3 + 9r) = 23
(3 * 4 + 9r * 4) = 23
(12 + 36r) = 23

Solving
12 + 36r = 23

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + 36r = 23 + -12

Combine like terms: 12 + -12 = 0
0 + 36r = 23 + -12
36r = 23 + -12

Combine like terms: 23 + -12 = 11
36r = 11

Divide each side by '36'.
r = 0.3055555556

Simplifying
r = 0.3055555556

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