x/(x+4)=8/7

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Solution for x/(x+4)=8/7 equation: 



x/(x+4)=8/7

We move all terms to the left:

x/(x+4)-(8/7)=0



Domain of the equation: (x+4)!=0

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

x!=-4

x∈R



We add all the numbers together, and all the variables

x/(x+4)-(+8/7)=0

We get rid of parentheses

x/(x+4)-8/7=0

We calculate fractions


7x/(7x+28)+(-8x-32)/(7x+28)=0

We multiply all the terms by the denominator


7x+(-8x-32)=0

We get rid of parentheses

7x-8x-32=0

We add all the numbers together, and all the variables

-1x-32=0

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

-x=32

x=32/-1

x=-32

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