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Mathematics, 06.02.2021 01:50 kodaxmodz

If -10x+3y = 9 and -4x+7y =1 are true equations, what would be the value of -6x-4y

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If -10x+3y = 9 and -4x+7y =1 are true equations, what would be the value of -6x-4y...
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