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How do I solve 3x-y=15
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How do I solve 3x-y=15

User Pras
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okay, 3x just means 3•x. so 3•x-y=15. you would have to have what x and y both mean to get the correct answer. but if they just need it simplified than your answer would be 3•x-y=15
User Francesco Cariaggi
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