Question

the sum of two numbers is 10, if one number is subtracted from the other, the result is -2. find the numbers

Answer 1

Hello,

Let's a the number that is substracted, b the other

a+b=10
a-b=-2
==>2a=8==>a=4 and b=10-4=6

Proof: 4-6=-1 and 4+9=10
The 2 numbers are 4 and 6.