Question

the sum of two numbers is 19 and their difference is 3 what are the 2 numbers

Answer 1

Step-by-step explanation:

X + Y = 19 and X - Y = 3.

Let X = 3 + Y

X + Y = 19 ==> 3 + Y + Y = 19

2Y = 16

Y = 8.

X + 8 = 19, so X = 19 - 8 = 11

Note that 11 - 8 = 3