5(2r+4)=40

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Solution for 5(2r+4)=40 equation: 



5(2r+4)=40

We move all terms to the left:

5(2r+4)-(40)=0

We multiply parentheses

10r+20-40=0

We add all the numbers together, and all the variables

10r-20=0

We move all terms containing r to the left, all other terms to the right

10r=20

r=20/10

r=2

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