2/7f+9=7

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Solution for 2/7f+9=7 equation: 



2/7f+9=7

We move all terms to the left:

2/7f+9-(7)=0



Domain of the equation: 7f!=0

f!=0/7

f!=0

f∈R



We add all the numbers together, and all the variables

2/7f+2=0

We multiply all the terms by the denominator


2*7f+2=0

Wy multiply elements

14f+2=0

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

14f=-2

f=-2/14

f=-1/7

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