20+4/3r=-20

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Solution for 20+4/3r=-20 equation: 



20+4/3r=-20

We move all terms to the left:

20+4/3r-(-20)=0



Domain of the equation: 3r!=0

r!=0/3

r!=0

r∈R



We add all the numbers together, and all the variables

4/3r+40=0

We multiply all the terms by the denominator


40*3r+4=0

Wy multiply elements

120r+4=0

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

120r=-4

r=-4/120

r=-1/30

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