5(2-r)=20

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Solution for 5(2-r)=20 equation: 



5(2-r)=20

We move all terms to the left:

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

We add all the numbers together, and all the variables

5(-1r+2)-20=0

We multiply parentheses

-5r+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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