Question

alguem resolve x-1/7 = x-1/4

Answer 1

Resposta:

$x - \frac{1}{7} = x - \frac{1}{4} \\ \frac{7x - 1}{7} = \frac{4x - 1}{4} \\ 4(7x - 1) = 7(4x - 1) \\ 28x - 4 = 28x - 7 \\ - 4 = - 7 \: falso$