Question

Giải hộ mình:

-x + 30%.x = -1,3

Nhanh nha tick luôn đó

Tối rồi nhanh lên!!!!!!!!!!!!!

Answer 1

\(-x+30\%x=-1,3\)

\(\Rightarrow-x+\frac{30}{100}x=-1,3\)

\(\Rightarrow\frac{-7}{10}x=-1,3\)

\(\Rightarrow x=-1,3:\frac{-7}{10}\)

\(\Rightarrow x=\frac{13}{7}\)

Answer 2

\(-x+30\%x=-1,3\)

\(\Rightarrow-x+\frac{30}{100}.x=-1,3\)

\(\Rightarrow\frac{-7}{10}.x=-1,3\)

\(\Rightarrow x=1,3:\frac{-7}{10}\)

\(\Rightarrow x=\frac{13}{7}\)