18/4f=-18

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Solution for 18/4f=-18 equation: 



18/4f=-18

We move all terms to the left:

18/4f-(-18)=0



Domain of the equation: 4f!=0

f!=0/4

f!=0

f∈R



We add all the numbers together, and all the variables

18/4f+18=0

We multiply all the terms by the denominator


18*4f+18=0

Wy multiply elements

72f+18=0

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

72f=-18

f=-18/72

f=-1/4

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