b) $\frac{x}{27} = \frac{2}{9} - \frac{1}{3}$

Question

\frac{x}{27} = \frac{2}{9} - \frac{1}{3}

\frac{x}{27} = \frac{2}{9} - \frac{3}{9}

\frac{x}{27} = \frac{- 1}{9}

x = \frac{- 1}{9} . 27

x = \frac{- 27}{9}

x = −3

Vậy x = −3;

Answer 1

Trả lời:

Giải bởi Vietjack

\frac{x}{27} = \frac{2}{9} - \frac{1}{3}

\frac{x}{27} = \frac{2}{9} - \frac{3}{9}

\frac{x}{27} = \frac{- 1}{9}

x = \frac{- 1}{9} . 27

x = \frac{- 27}{9}

x = −3

Vậy x = −3;

b) x27=29-13