the sum of two numbers is 10 and their difference is 2 what are the two numbers?

Answer 1

Let x and y be the two numbers

Given

x+y=10

x-y=2

Solving for x,

Add the 2 equations,

2x=12

x=12/2

x=6

y can be founded by taking the 1st equation and substituting for x=6,

y=10-6 is 4