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Mathematics, 08.07.2019 00:00 dontcareanyonemo

Which equation is true? 1. 12x + 18=42 if x=2 2. 15f-7=36 if f=3 3 12x+2=26

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Which equation is true? 1. 12x + 18=42 if x=2 2. 15f-7=36 if f=3 3 12x+2=26...
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