Question

Sum of two numbers is 15. their difference is 7. What are the numbers
Let the numbers be x, y
Sum
= 15
хту
Difference
(x + y) + (x-y)
X
y
Number​

Answer 1

Answer:

Sum of number is 15

difference is 15-7 =8

So, the numbers are 7 and 8

Answer 2

Answer:

X=11, y=4

Step-by-step explanation:

x + y=15

x - y =7

-----------

2x = 22

x = 11

x value substitute in x+y=15

then 11 + y = 15

y = 15-11

y = 4