Question

3)
Two numbers differ by 3and their sum is 10 use variable x and y. eq no 1 eq no2​

Answer 1

Answer:

x-y=3

x+y=10

solving this we get x=6.5 and y= 3.5

Answer 2

x - y = 3 equation 1
x + y = 10 equation 2
Add equation 1 and equation 2
x - y + x + y = 3 + 10
2x = 13
x = 6.5
6.5 - 3 = y
y = 3.5
10 - 6.5 = y
10 - 6.5 = 3.5 = y

Hope it helps you