Question

Given the following system of equations: 2x + 3y = 12

2x - 2y = 2

What is the value of x + y? ​

Answer 1

5

Explanation:

2x + 3y = 12

2x - 2y = 2 // subtract second equation from first

5y = 10

y = 2

x = (2 + 2y) / 2 = y + 1 = 3

x + y = 5