Quais sistemas abaixo tem como solução o par ordenado (5,3)? a) 5x+3y=34 3x+4y=27 b) 3x-4y=-5 3x+2y=19 c) 2x-3y= -1 3x-2y= -9 d)
4x+3y=29 5x-2y=19
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