Answer:
Step-by-step explanation:
<u>Given system:</u>
<u>Multiply the first equation by 7 and add up the equations:</u>
- -7x + 7y + 7x + 3y = 7*8 - 16
- 10y = 40
- y = 4
<u>Find y:</u>
Answer: 104
Step-by-step explanation:
Girl if you don’t look up the answers besides asking us
they are all quadrilateral s
hope this helps ;)
Answer:
i have the same question someone pls answer
Step-by-step explanation: