7x/5x+2=28/21

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Solution for 7x/5x+2=28/21 equation: 



7x/5x+2=28/21

We move all terms to the left:

7x/5x+2-(28/21)=0



Domain of the equation: 5x!=0

x!=0/5

x!=0

x∈R



We add all the numbers together, and all the variables

7x/5x+2-(+28/21)=0

We get rid of parentheses

7x/5x+2-28/21=0

We calculate fractions


147x/105x+(-140x)/105x+2=0

We multiply all the terms by the denominator


147x+(-140x)+2*105x=0

Wy multiply elements

147x+(-140x)+210x=0

We get rid of parentheses

147x-140x+210x=0

We add all the numbers together, and all the variables

217x=0

x=0/217

x=0

Równanie nie ma rozwiązania

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