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Wira13
@Wira13
August 2022
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Розв'яжіть систему рівнянь 5m+4n=7 3m+7n=-5
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TIMOURX
5m=7-4n
m=(7-4n)/5
3m=(21-12n)/5=4,2-2,4n
4,2-2,4n+7n=-5
4,6n = -9,2
n=-2
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Answers & Comments
m=(7-4n)/5
3m=(21-12n)/5=4,2-2,4n
4,2-2,4n+7n=-5
4,6n = -9,2
n=-2