5/9=8/9-f

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Solution for 5/9=8/9-f equation: 



5/9=8/9-f

We move all terms to the left:

5/9-(8/9-f)=0



Domain of the equation: 9-f)!=0

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

-f)!=-9

f!=-9/1

f!=-9

f∈R



We add all the numbers together, and all the variables

-(-1f+8/9)+5/9=0

We get rid of parentheses

1f-8/9+5/9=0

We multiply all the terms by the denominator


1f*9-8+5=0

We add all the numbers together, and all the variables

1f*9-3=0

Wy multiply elements

9f-3=0

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

9f=3

f=3/9

f=1/3

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