The parts of the given questions are solved below:

(i) According to the question, p + 4 = 15

We can write the statement as,

The sum of p and 4 is 15

(ii) According to the question, m – 7 = 3

We can write the statement as,

7 subtracted from m gives 3

(iii) According to the question, 2m = 7

We can write the statement as,

Twice of number m is 7.

(iv) According to the question,

We can write the statement as,

One fifth of m is 5

(iv) According to the question,

We can write the statement as,

Three-fifth of m is 6

(v) According to the question, 3p + 4 = 25

We can write the statement as,

Thrice of p, when added to 4 gives 25

(vi) According to the question, 4p – 2 = 18

We can write the statement as,

When 2 is subtracted from four times of p, gives 18

According to the question,

We can write the statement as,

When half of p added to 2 is 8