42+7/3r=-42

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Solution for 42+7/3r=-42 equation: 



42+7/3r=-42

We move all terms to the left:

42+7/3r-(-42)=0



Domain of the equation: 3r!=0

r!=0/3

r!=0

r∈R



We add all the numbers together, and all the variables

7/3r+84=0

We multiply all the terms by the denominator


84*3r+7=0

Wy multiply elements

252r+7=0

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

252r=-7

r=-7/252

r=-1/36

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