Question

Решите уравнение: 8 9/26 - z = 5 7/39

Answer 1

$8 \frac{9}{26} -z=5 \frac{7}{39}$
$4 \frac{9}{13}-z= \frac{35}{39}$
$\frac{36}{13}-z= \frac{35}{39}$
$-z= \frac{35}{39} - \frac{36}{13}$
$-z= - \frac{73}{39}$
$z = \frac{73}{39} (z=1 \frac{34}{39};$ z ≈ 1.87)