4(1+3r)=

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


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

Solving
4 + 12r = 0

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 12r = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 12r = 0 + -4
12r = 0 + -4

Combine like terms: 0 + -4 = -4
12r = -4

Divide each side by '12'.
r = -0.3333333333

Simplifying
r = -0.3333333333

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