5. twice
the
sum
of a number plus 4
6. the sum of 314 of a number and 7
7. three more
than number
so the avotient of a number
and
8

5. 2[4 + n]

6. 7 + 314n

7. 3 + n = ⁿ⁄8

Step-by-step explanation:

5.Twice the sum means you need to double the sum. That is why that 2 is on the outside of the sum.

6. 314 OF a number means "the product of" a number. Then, you continue with your SUM by putting a "+" after 314n.

7. I could not make use of your sentence here, so I went with the above answer based on how the sentence might be structured.

I am joyous to assist you anytime.

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0