7x + 10
the sum of 10 and the product of 7 and a number 2+5=7 2*5=10
3
3
70
7x - 10
10 - 3 = 7 and 10 x 3 = 30
10
42
7 and 3
60000000 = 6*10^7
The product of 3 and 7 is found by multiplying the two numbers together, which equals 21. The sum of 3 and 7 is found by adding the two numbers together, which equals 10. Therefore, the difference between the product of 3 and 7 and the sum of 3 and 7 is 21 - 10 = 11.