-42=7(-6+5r)

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Solution for -42=7(-6+5r) equation: 



-42=7(-6+5r)

We move all terms to the left:

-42-(7(-6+5r))=0

We add all the numbers together, and all the variables

-(7(5r-6))-42=0



We calculate terms in parentheses: -(7(5r-6)), so:

7(5r-6)

We multiply parentheses

35r-42

Back to the equation:

-(35r-42)



We get rid of parentheses

-35r+42-42=0

We add all the numbers together, and all the variables

-35r=0

r=0/-35

r=0

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