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5 votes
Which of the points (–3, 4), (–2, –6), (–4, 3) are the solution to the system?

{x=y−7
{3x+4y=0
Please explain

1 Answer

4 votes
Answer: (-4,3)
Explanation: -4=3-7, -4 is the x in the set of coordinates. And 3(-4)= -12 , 4(3)=12. -12 + 12=0 because a positive and a negative of the same number balance out to 0.
User Paola Cerioli
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