flor328 flor328
  • 30-07-2019
  • Mathematics
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What is the result of adding these two
equations?
2x + 7y= 4
- 2x – 8y = -2

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Аноним Аноним
  • 30-07-2019

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.

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