7(1-4r)-7=7r+5(-4r-1)

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Solution for 7(1-4r)-7=7r+5(-4r-1) equation: 



7(1-4r)-7=7r+5(-4r-1)

We move all terms to the left:

7(1-4r)-7-(7r+5(-4r-1))=0

We add all the numbers together, and all the variables

7(-4r+1)-(7r+5(-4r-1))-7=0

We multiply parentheses

-28r-(7r+5(-4r-1))+7-7=0



We calculate terms in parentheses: -(7r+5(-4r-1)), so:

7r+5(-4r-1)

We multiply parentheses

7r-20r-5

We add all the numbers together, and all the variables

-13r-5

Back to the equation:

-(-13r-5)



We add all the numbers together, and all the variables

-28r-(-13r-5)=0

We get rid of parentheses

-28r+13r+5=0

We add all the numbers together, and all the variables

-15r+5=0

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

-15r=-5

r=-5/-15

r=1/3

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