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Joaovitor

Resolva • 04/16/2025

atividades 1. a) 15 / 6 = x / 4 6x = 60 x = 10 b)...

atividades

  1. a) 15 / 6 = x / 4 6x = 60 x = 10

b) 3 / 5 = (4x - 2) / (3x + 1) 3(3x + 1) = 5(4x - 2) 9x + 3 = 20x - 10 20x - 9x = 13 x = 13 / 11

c) (4x + 1) / 3 = 6 / 5 5(4x + 1) = 6(3) 20x + 5 = 18 20x = 13 x = 13 / 20

d) 6 / 8 = a / b 6b = 8a b = 4a / 3

atividades 1. a) 15 / 6 = x / 4 6x = 60 x = 10 b) 3 / 5 = (4x - 2) / (3x + 1) 3(3x + 1) = 5(4x - 2) 9x + 3 = 20x - 10 20x - 9x = 13 x = 13 / 11 c) (4x + 1) / 3 = 6 / 5 5(4x + 1) = 6(3) 20x + 5 = 18 20x = 13 x = 13 / 20 d) 6 / 8 = a / b 6b = 8a b = 4a / 3
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