42r=14(r+6)

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Solution for 42r=14(r+6) equation: 



42r=14(r+6)

We move all terms to the left:

42r-(14(r+6))=0



We calculate terms in parentheses: -(14(r+6)), so:

14(r+6)

We multiply parentheses

14r+84

Back to the equation:

-(14r+84)



We get rid of parentheses

42r-14r-84=0

We add all the numbers together, and all the variables

28r-84=0

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

28r=84

r=84/28

r=3

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