Question

РЕШИТЕ СРОЧНО.ДАМ 20 БАЛЛОВ.​

Answer 1

$x - 4 \frac{2}{3} = 3.4 \\ x = 3.4 + 4 \frac{2}{3} \\ x = 3 \frac{2}{5} + 4 \frac{2}{3} \\ x = 3 \frac{6}{15} + 4 \frac{10}{15} \\ x = 7 \frac{16}{15} \\ = 8 \frac{1}{15}$