SOLUTION: The solution to the following system is (-1,3). Find A and B. Ax-2y=4 5x+By=-1

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Question 516324: The solution to the following system is (-1,3). Find A and B.
Ax-2y=4
5x+By=-1
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The solution to the following system is (-1,3). Find A and B.
Ax-2y=4
A*-1 - 2*3 = 4
-A - 6 = 4
-A = 10
A = -10
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5x+By=-1
Find B the same way.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The solution to the following system is (-1,3). Find A and B.
Ax-2y=4
5x+By=-1
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Substitute to get:
A(-1) - 2(3) = 4
5(-1) + B(3) = -1
-----------------------
-A - 6 = 4
-5 + 3B = -1
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A = -10
B = 4/3
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Cheers,
Stan H.
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