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B) 2 4/7

Step-by-step explanation:

When subtracting fractions with the same denominator (bottom number) all you have to do is subtract the top numbers.

So in this case, we would do 22-4=18 and then our fraction would be 18/7. And although this is correct, it is not in its simplest form.

To get it into its simplest form, you have to see how many times 7 goes into 18, the answer is 2. So the number before your fraction is 2. Then you need to see what is left over. To do that we need to multiply 7 by 2, which is 14, and then subtract 14 from 18. This leaves us with 4, so we have 4 left over.

Given this, our final answer is presented in the form of a mixed number, which is 2 4/7. This is because 2 lots of 7 and 4 left over.

y=1/4x-4

step-by-step explanation: