3(1+4r)=

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Solution for 3(1+4r)= equation: 


Simplifying
3(1 + 4r) = 0
(1 * 3 + 4r * 3) = 0
(3 + 12r) = 0

Solving
3 + 12r = 0

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + 12r = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 12r = 0 + -3
12r = 0 + -3

Combine like terms: 0 + -3 = -3
12r = -3

Divide each side by '12'.
r = -0.25

Simplifying
r = -0.25

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