Question

[Nguyễn Thành Đạt]

Giups tôi với 

Answer 1

[⌛メ𝕹𝖊𝖕𝖆𝖑 ツ[𝕿𝖊𝖆𝖒 𝕹𝖊𝖕𝖆𝖑]]

\(a,x-\frac{3}{4}=\frac{1}{2}\)

\(x=\frac{5}{4}\)

\(b,\frac{5}{6}+\frac{1}{4}:x=-\frac{2}{3}\)

\(\frac{1}{4}:x=-\frac{3}{2}\)

\(x=-\frac{1}{6}\)

Answer 2

[⌛メ𝕹𝖊𝖕𝖆𝖑 ツ[𝕿𝖊𝖆𝖒 𝕹𝖊𝖕𝖆𝖑]]

\(d,x:\frac{5}{2}-\frac{1}{2}=-\frac{2}{3}\)

\(x:\frac{5}{2}=-\frac{1}{6}\)

\(x=-\frac{5}{12}\)

\(e,\left(\frac{3}{10}-3x\right)\cdot\frac{1}{3}=\frac{2}{5}\)

\(\frac{3}{10}-3x=\frac{6}{5}\)

\(x=\frac{\left(\frac{3}{10}-\frac{6}{5}\right)}{3}=-\frac{3}{10}\)