jim-clark_60a41d33422d5
jim-clark_60a41d33422d5
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5x + 3 / 2(x + 4 ) = 3/5 5x+3 = 3/5 . (2x+8) 5x=6x/5 + 24/5 - 15/5 25/5x - 6x/5 = 9/5 19/5x = 9/5 x = 9/5 . 5/19 x = 9/19 Resposta D