4/7r=-2

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Solution for 4/7r=-2 equation: 



4/7r=-2

We move all terms to the left:

4/7r-(-2)=0



Domain of the equation: 7r!=0

r!=0/7

r!=0

r∈R



We add all the numbers together, and all the variables

4/7r+2=0

We multiply all the terms by the denominator


2*7r+4=0

Wy multiply elements

14r+4=0

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

14r=-4

r=-4/14

r=-2/7

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