Question

даю 20 баллов.....................

Answer 1

$\frac{3(2x - 1.3)}{5} = \frac{4x + 2.3}{3} \\ 9(2x - 1.3) = 5(4x + 2.3) \\ 18x - 11.7 = 20x + 11.5 \\ 18x - 20x = 11.5 + 11.7 \\ - 2x = 23.2 \\ x = 23.2 \div ( - 2) \\ x = - 11.6$