-2r+40=1+5(7r-7)

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Solution for -2r+40=1+5(7r-7) equation: 



-2r+40=1+5(7r-7)

We move all terms to the left:

-2r+40-(1+5(7r-7))=0



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

1+5(7r-7)

determiningTheFunctionDomain
5(7r-7)+1

We multiply parentheses

35r-35+1

We add all the numbers together, and all the variables

35r-34

Back to the equation:

-(35r-34)



We get rid of parentheses

-2r-35r+34+40=0

We add all the numbers together, and all the variables

-37r+74=0

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

-37r=-74

r=-74/-37

r=+2

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