7/(d+5)=10/(d+2)

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Solution for 7/(d+5)=10/(d+2) equation: 



7/(d+5)=10/(d+2)

We move all terms to the left:

7/(d+5)-(10/(d+2))=0



Domain of the equation: (d+5)!=0

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

d!=-5

d∈R





Domain of the equation: (d+2))!=0

d∈R



We calculate fractions


7d/((d+5)*(d+2)))+(-(10*(d+5))/((d+5)*(d+2)))=0



We calculate terms in parentheses: -(10*(d+5))/((d+5)*(d+2))), so:

10*(d+5))/((d+5)*(d+2))

We multiply all the terms by the denominator


10*(d+5))

We multiply parentheses

10d+

We add all the numbers together, and all the variables

10d

Back to the equation:

-(10d)



We add all the numbers together, and all the variables

-10d+7d/((d+5)*(d+2)))+(=0

We multiply all the terms by the denominator


-10d*((d+5)*(d+2)))+(+7d=0

We add all the numbers together, and all the variables

7d-10d*((d+5)*(d+2)))+(=0

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