4(3r+4)-20=3+5r

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Solution for 4(3r+4)-20=3+5r equation: 



4(3r+4)-20=3+5r

We move all terms to the left:

4(3r+4)-20-(3+5r)=0

We add all the numbers together, and all the variables

4(3r+4)-(5r+3)-20=0

We multiply parentheses

12r-(5r+3)+16-20=0

We get rid of parentheses

12r-5r-3+16-20=0

We add all the numbers together, and all the variables

7r-7=0

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

7r=7

r=7/7

r=1

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