7=4/5x+9

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Solution for 7=4/5x+9 equation: 



7=4/5x+9

We move all terms to the left:

7-(4/5x+9)=0



Domain of the equation: 5x+9)!=0

x∈R



We get rid of parentheses

-4/5x-9+7=0

We multiply all the terms by the denominator


-9*5x+7*5x-4=0

Wy multiply elements

-45x+35x-4=0

We add all the numbers together, and all the variables

-10x-4=0

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

-10x=4

x=4/-10

x=-2/5

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