Respuesta :

kingbobkevin

Answer:

y=7x-5

Step-by-step explanation:

You have to use y=mx+b and plug in (1,2) in y and x so you have 2=7(1)+b and then you multiply 7 and 1 which you get 7 so now your equation is 2=7+b and subtract 2-7 and you get -5. So your equation is y=7x-5

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