Answer:
b= -13
Step-by-step explanation:
y=mx+b
-7=3(2)+b
-7=6+b
-7-6=b
-13=b
put it back into y=mx+b
y=3x-13
b=1, Y= -3-1
y = -3 + b
-7 = -3(2) + b
-7 = -6 + b
add 6 on both sides
-1 = b
