14. 2 Adding Equations

What did Diego do to solve the system?

Diego is solving this system of equations:

4x + 3y = 10

4x + 5y = 6

Here is his work

4x + 3y = 10

-4x + 5y = 6 +

0+ 8y = 16

4x + 3(2) = 10

4x + 6 = 10

4x = 4

x=1

y = 2