Question

the difference of two numbers is 3. their sum is 13. find the numbers..
help please :(

Answer 1

x-y=3
x+y=13

Try to solve...

Answer 2

i can't D;

Answer 3

Add the two equations.

Answer 4

13 and 3?

Answer 5

x-y + x+y = 3 + 13

Answer 6

i am sorry i do not get it :/

Answer 7

x-y is from the first and x+y is from the second 3 and 13 is the same way.

Now we get 2x=16 ... x=8

Use the second equation to get y=13-x=13-8=5

The numbers are 5 and 8

Answer 8

thank you :D