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4 -5a+b=8 7a +9b = -32 I need to use substitution for this one. Help?
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4 -5a+b=8 7a +9b = -32 I need to use substitution for this one. Help?
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Sep 28, 2020
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-5a+b=8
7a +9b = -32
I need to use substitution for this one. Help?
Mathematics
middle-school
Mathinvalidnik
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Answer:
a = -2, b = -2
Explanation:
Parthiv
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Oct 2, 2020
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