SOLUTION: How do you solve mx+b and solve for b? please show me step by step if i have coordinates (8,9)(-4,7)

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Question 216737: How do you solve mx+b
and solve for b?
please show me step by step if i have coordinates (8,9)(-4,7)
Answer by rfer(10417) About Me  (Show Source):
You can put this solution on YOUR website!
y=mx+b
b=y-mx
b=9-(1/6(8))
b=9-1.33
b=7.66
b=y int=(0,7.66)