Question

$3 \times + \frac{ \times }{2} = 4$
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Answer 1

Respuesta:

$3x + \frac{x}{2} = 4 \\ \frac{6x + x}{2} = 4 \\ \frac{7x}{2} = 4 \\ 7x = 8 \\ x = \frac{8}{7}$