Question

tim a thuoc z de , 5+a/8a=5/8

Answer 1

\(\frac{5+a}{8a}=\frac{5}{8}\)

\(\Leftrightarrow\left(5+a\right).8=8a.5\)

\(\Leftrightarrow40+8a=40a\Leftrightarrow40+8a-40a=0\)

\(\Leftrightarrow8a=0\Leftrightarrow a=0\)

Vậy a=0

Answer 2

cac ban giup minh nhe, 3 ban xong dau tien se duoc minh k nhe

Answer 3

đề thế này à: \(\frac{5+a}{8a}=\frac{5}{8}?\)