teenandtoddlermom
Use the elimination method to solve the system of equations.
a +9b=21
a +4b=6
Is there one solution (if so simplify your answer) infinite solutions or no solutions?
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Agent47
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a= 21-9b
21-9b+4b=6
21-5b=6
-5b=-15
b=3
a= 21-9*3 = 21-27 = -6
Agent47
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please tell me i got this thing right
teenandtoddlermom
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I don't know I am asking you for help LOL
Agent47
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that was directed @others
razor99
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wait that is simulataneous equation right
mashitah
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the answer is correct,,i've calculate it^^
teenandtoddlermom
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but i have to find an ordered pair.
Agent47
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(-6, 3)
teenandtoddlermom
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Thank you for showing me the steps and helping me Agent.