4/7x = 9/8 - 0,125
4/7x = 9/8 - 1/8
4/7x = 1
x = 1 : 4/7
x = 7/4
=^_^=
k mình nha
\(\frac{4}{7}x=\frac{9}{8}-0,125\)
\(\frac{4}{7}x=\frac{9}{8}-\frac{1}{8}\)
\(\frac{4}{7}x=\frac{8}{8}\)
\(\frac{4}{7}x=1\)
\(x=1:\frac{4}{7}\)
\(x=1\times\frac{7}{4}\)
\(x=\frac{7}{4}\)