-4(r-7)=-42

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Solution for -4(r-7)=-42 equation: 



-4(r-7)=-42

We move all terms to the left:

-4(r-7)-(-42)=0

We add all the numbers together, and all the variables

-4(r-7)+42=0

We multiply parentheses

-4r+28+42=0

We add all the numbers together, and all the variables

-4r+70=0

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

-4r=-70

r=-70/-4

r=17+1/2

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