Question

I am thinking of two numbers the sum of the two is 10 and the difference is six

Answer 1

Hello! Let's write this numbers as x and y.

We know:

x + y = 10

x - y = 6

Solving using the method of elimination:

Now we just have to replace where's x by 8 in one of the equations, look:

So, the first number is 8 and the second number is 2.