Đáp án:
Giải thích các bước giải:
$ -1 ≤ \frac{x}{5} ; x ∈ Z $
$⇒ -5 ≤ x $ ; x ∈ Z $
$⇒ x ∈ \left\{x∈Z/-5≤x\right\} $
$2x-\frac{6}{9}=\frac{1}{3}+|\frac{11}{3}-4\frac{2}{3}|$
$ ⇒ 2x = \frac{1}{3}+ |-1| + \frac{6}{9}$
$⇒ 2x = 1 + 1 $
$⇒ 2x = 2 $
$⇒ x = 1 $
$\frac{7}{12}- ( x + \frac{7}{10} ) : \frac{6}{5} = -\frac{5}{4} $
$⇒ ( x + \frac{7}{10} ) : \frac{6}{5} =\frac{7}{12}-( -\frac{5}{4}) $
$⇒ ( x + \frac{7}{10} ) : \frac{6}{5} = \frac{11}{6}$
$⇒ x + \frac{7}{10} = \frac{11}{6}.\frac{6}{5} $
$⇒ x + \frac{7}{10} = \frac{11}{5}$
$⇒ x = \frac{11}{5} - \frac{7}{10} $
$⇒ x = \frac{3}{2}$
