Question

X - y = 4

x + y = 8

The x-coordinate of the solution to the system shown is _____.

2
4
6
12

Answer 1

hello :

X - y = 4...(1)

x + y = 8...(2)

(1)+(2) :2x= 12

The x-coordinate of the solution to the system shown is __6___.

Answer 2

x=6

Explanation:

We can use eliminate to solve. Add the equations together

x - y = 4

x + y = 8

-------------------

2x = 12

Divide each side by 2

2x/2 =12/2

x = 6