Answer: choice 1 and 6
Step-by-step explanation:
just plug in 9 for every X making sure they equal each other.
Answer:
Yes, (-6,-38) is a coordinate pair off the equation
Plug y=7x+4 into your graphic caculator
press 2ND, GRAPH and scroll up to see the point.
(-4,-1) is the answer unless your asking for an actual equation
OR 
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