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mel-nik [20]
4 years ago
8

3 + f = 14 and 2/7

Mathematics
1 answer:
max2010maxim [7]4 years ago
8 0
We transform the number 3 into a fraction 21/7 and then we substract it from the fraction on the right to get the value of thw variable f

-the answer is B f= 11 and 2/7

- you could also just put the solutions from A,B,C and D into F and comapre left side to the right side (when they're equal you have the right f)

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