7=9+4/5q

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



7=9+4/5q

We move all terms to the left:

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



Domain of the equation: 5q)!=0

q!=0/1

q!=0

q∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

-4/5q-9+7=0

We multiply all the terms by the denominator


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

Wy multiply elements

-45q+35q-4=0

We add all the numbers together, and all the variables

-10q-4=0

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

-10q=4

q=4/-10

q=-2/5

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