Question

x+1 5
----- = ------
10 8

​

Answer 1

Explicație pas cu pas:

$\dfrac{x + 1}{16} = \dfrac{5}{8}$

$8(x + 1) = 16 \cdot 5 \ \ \Big|:8$

$x + 1 = 2 \cdot 5 \iff x = 10 - 1 \\ \implies \bf x = 9$