7=1.25(1+4.7/x)

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Solution for 7=1.25(1+4.7/x) equation: 



7=1.25(1+4.7/x)

We move all terms to the left:

7-(1.25(1+4.7/x))=0



Domain of the equation: x))!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(1.25(4.7/x+1))+7=0

We multiply all the terms by the denominator


-(1.25(4.7+7*x+1))=0



We calculate terms in parentheses: -(1.25(4.7+7*x+1)), so:

1.25(4.7+7*x+1)

We add all the numbers together, and all the variables

1.25(7x+5.7)

We multiply parentheses

8.75x+7.125

Back to the equation:

-(8.75x+7.125)



We get rid of parentheses

-8.75x-7.125=0

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

-8.75x=7.125

x=7.125/-8.75

x=-6.3333333333333/7.7777777777778

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