Respuesta :

Answer:

y=2x-9

Step-by-step explanation:

remember equation of a line: y=mx+b, where m=slope and b= y-intercept

y=mx+b

y=2x+b

we know one point, so we plug it in for x and y

5=2(7)+b

5=14+b

b=-9

so now that we have b, we can write y=2x-9

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