jharong220 jharong220

13-05-2020
Mathematics

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The sum of two numbers is 9. Their difference is 15. Find the two numbers.

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quimbap quimbap

13-05-2020

Answer:

x= 12 y= -3

Step-by-step explanation:

Rearrange.

x+y=9

x-y=15

Get x by itself, cancel out the y's and you'll get this:

2x=24

x= 12

Plug it in.

12+y=9

Get y.

y= -3

Check your work. I hope this helped.

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