Question

aflati x stiind ca ..cine ma poate ajuta ​

Answer 1

Răspuns:

$3 \frac{x + 1}{2} = 6 \frac{4}{5}$

$\frac{x + 7}{2} = \frac{34}{5}$

$x + 7 = \frac{2 \times 34}{5}$

$x + 7 = 13.6$

$x = 13.6 - 7$

$x = 6.6$