SOLUTION: Solve the system of equations: 15=5m+b 7=3m+b

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Question 521029: Solve the system of equations:
15=5m+b
7=3m+b
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the system of equations:
15=5m+b
7=3m+b
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Subtract and solve for "m":
2m = 8
m = 4
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Solve for "b
7 = 3m+b
7 = 3*4 + b
b = 7-12
b = -5
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Cheers,
Stan H.
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