21/7+3/7(3r-5)=-4

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Solution for 21/7+3/7(3r-5)=-4 equation: 



21/7+3/7(3r-5)=-4

We move all terms to the left:

21/7+3/7(3r-5)-(-4)=0



Domain of the equation: 7(3r-5)!=0

r∈R



We add all the numbers together, and all the variables

3/7(3r-5)+7=0

We multiply all the terms by the denominator


7*7(3r-5)+3=0

Wy multiply elements

49r(3+3=0

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