-2/7r=-4

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Solution for -2/7r=-4 equation: 



-2/7r=-4

We move all terms to the left:

-2/7r-(-4)=0



Domain of the equation: 7r!=0

r!=0/7

r!=0

r∈R



We add all the numbers together, and all the variables

-2/7r+4=0

We multiply all the terms by the denominator


4*7r-2=0

Wy multiply elements

28r-2=0

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

28r=2

r=2/28

r=1/14

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