Mathematics, 17.06.2021 18:30 kitttimothy55

If \mathbf{10x-2y=-3}10x−2y=−3 and \mathbf{9x+7y=8}9x+7y=8 are true equations, what would be the value of \mathbf{x-9y}x−9y?

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If \mathbf{10x-2y=-3}10x−2y=−3 and \mathbf{9x+7y=8}9x+7y=8 are true equations, what would be the val...