The sum of two positive integers is 13 the difference between these numbers is 7 what is their product ? Explain :

Could someone please help!

Step-by-step explanation:

Let one number be x

Other number = 13 - x         {as sum of two numbers is 13}

x - [13 -x] = 7   { difference of two numbers is 7}

x - 13 +x =7

2x - 13 = 7

2x = 7 + 13

2x = 20

x = 20/2

x = 10

One number = 10

Other number = 13 - 10 = 3

Product = 10 * 3 = 30              

answer:   14

step-by-step explanation:          

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