Question

A + b = 10
a - b =2
solve the systems of equations

Answer 1

See below

Explanation:

a+b =10

a-b = 2 add the two equations

2a = 12 then a = 6 a+b=10 so b = 4

Answer 2

a=6, b=4.

Explanation:

6+4=10, and 6-4=2.