2(r+5)+3r=20

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Solution for 2(r+5)+3r=20 equation: 



2(r+5)+3r=20

We move all terms to the left:

2(r+5)+3r-(20)=0

We add all the numbers together, and all the variables

3r+2(r+5)-20=0

We multiply parentheses

3r+2r+10-20=0

We add all the numbers together, and all the variables

5r-10=0

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

5r=10

r=10/5

r=2

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