Question

What is the result of adding these two
equations?
2x + 7y= 4
- 2x – 8y = -2

Answer 1

Answer:

-y = 2.

Step-by-step explanation:

2x + 7y= 4

- 2x – 8y = -2  

 Adding we eliminate   x because 2x + -2x = 0:-

0 - y = 4  + -2

-y = 2.