f/2+9=13

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Solution for f/2+9=13 equation: 



f/2+9=13

We move all terms to the left:

f/2+9-(13)=0

We add all the numbers together, and all the variables

f/2-4=0

We multiply all the terms by the denominator


f-4*2=0

We add all the numbers together, and all the variables

f-8=0

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

f=8

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