2(2+5r)=

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


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

Solving
4 + 10r = 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 + 10r = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 10r = 0 + -4
10r = 0 + -4

Combine like terms: 0 + -4 = -4
10r = -4

Divide each side by '10'.
r = -0.4

Simplifying
r = -0.4

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