20.5=7(5r+9.5)

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Solution for 20.5=7(5r+9.5) equation: 



20.5=7(5r+9.5)

We move all terms to the left:

20.5-(7(5r+9.5))=0



We calculate terms in parentheses: -(7(5r+9.5)), so:

7(5r+9.5)

We multiply parentheses

35r+66.5

Back to the equation:

-(35r+66.5)



We get rid of parentheses

-35r-66.5+20.5=0

We add all the numbers together, and all the variables

-35r-46=0

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

-35r=46

r=46/-35

r=-1+11/35

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