Question

28/29:(2,5х+1 3/4) = 4/29
пожалуйста помогите​

Answer 1

$\frac{28}{29} \div ( \frac{5}{2} x + \frac{7}{4} ) = \frac{4}{29} \\ \\ \frac{112}{29(10x + 7)} = \frac{4}{29} \\ 3248 = 116(10x + 7) \\ 28 = 10x + 7$

х=21/10=2,1