5(3-r)=20

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



5(3-r)=20

We move all terms to the left:

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

We add all the numbers together, and all the variables

5(-1r+3)-20=0

We multiply parentheses

-5r+15-20=0

We add all the numbers together, and all the variables

-5r-5=0

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

-5r=5

r=5/-5

r=-1

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