Question

$\frac{10x - 4}{7} = \frac{8x -1}{3} =$

Answer 1

Olá

10x - 4/ 7 = 8x - 1 /3

3(19x - 1) = 7(8x - 1)

57x - 3 = 56 x - 7

57x - 56 = - 7 + 3

x = - 4

Resposta: x = - 4

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