3r+5(2+4r)=

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Solution for 3r+5(2+4r)= equation:


Simplifying
3r + 5(2 + 4r) = 0
3r + (2 * 5 + 4r * 5) = 0
3r + (10 + 20r) = 0

Reorder the terms:
10 + 3r + 20r = 0

Combine like terms: 3r + 20r = 23r
10 + 23r = 0

Solving
10 + 23r = 0

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + 23r = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 23r = 0 + -10
23r = 0 + -10

Combine like terms: 0 + -10 = -10
23r = -10

Divide each side by '23'.
r = -0.4347826087

Simplifying
r = -0.4347826087

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