7+6.4/x=7.8

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Solution for 7+6.4/x=7.8 equation: 



7+6.4/x=7.8

We move all terms to the left:

7+6.4/x-(7.8)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

6.4/x-0.8=0

We multiply all the terms by the denominator


-(0.8)*x+6.4=0

We multiply parentheses

-0.8x+6.4=0

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

-0.8x=-6.4

x=-6.4/-0.8

x=+8

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