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Mathematics, 03.08.2019 21:30 paco38

If the first equation is multiplied by 3 and then the equations are added, the result is 3x + y = 3 x - 3y = -2 a) 10x = 11 b) 10x = 7 c) 8x = 7

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If the first equation is multiplied by 3 and then the equations are added, the result is 3x + y = 3...
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