206=3-7(1+5r)

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Solution for 206=3-7(1+5r) equation: 



206=3-7(1+5r)

We move all terms to the left:

206-(3-7(1+5r))=0

We add all the numbers together, and all the variables

-(3-7(5r+1))+206=0



We calculate terms in parentheses: -(3-7(5r+1)), so:

3-7(5r+1)

determiningTheFunctionDomain
-7(5r+1)+3

We multiply parentheses

-35r-7+3

We add all the numbers together, and all the variables

-35r-4

Back to the equation:

-(-35r-4)



We get rid of parentheses

35r+4+206=0

We add all the numbers together, and all the variables

35r+210=0

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

35r=-210

r=-210/35

r=-6

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