7-3(1+4)=1-4(2+r)

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Solution for 7-3(1+4)=1-4(2+r) equation: 



7-3(1+4)=1-4(2+r)

We move all terms to the left:

7-3(1+4)-(1-4(2+r))=0

We add all the numbers together, and all the variables

-(1-4(r+2))+7-35=0

We add all the numbers together, and all the variables

-(1-4(r+2))-28=0



We calculate terms in parentheses: -(1-4(r+2)), so:

1-4(r+2)

determiningTheFunctionDomain
-4(r+2)+1

We multiply parentheses

-4r-8+1

We add all the numbers together, and all the variables

-4r-7

Back to the equation:

-(-4r-7)



We get rid of parentheses

4r+7-28=0

We add all the numbers together, and all the variables

4r-21=0

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

4r=21

r=21/4

r=5+1/4

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