Question

The sum of two numbers is 12 and their difference is 8, find the numbers.​

Answer 1

Answer:

$10 \: and \: 2$

Step-by-step explanation:

$let \: the \: two \: numbers \: be \: x \: and \: y. \\ x + y = 12 \\( + ) \: \: \: x - y = 8 \\ - - - - - - - \\ 2x = 20 \\ x = \frac{20}{2} \\ x = 10 \\ \\ y = x - 8 \\ y = 10 - 8 \\ y = 2 \\ \\ therefore \: the \: two \: numbers \: are \: 10 \: and \: 2$