Đáp án:
$\dfrac{1}{8}$
- $\dfrac{11}{8}$
Giải thích các bước giải:
$\dfrac{1}{3}$ + $\dfrac{3}{8}$ - $\dfrac{7}{12}$ =
$\dfrac{17}{24}$ - $\dfrac{7}{12}$ =
= $\dfrac{1}{8}$
$\dfrac{4}{3}$ . x - $\dfrac{1}{6}$ = - 2
$\dfrac{4}{3}$ . x = $\dfrac{1}{6}$ + - 2
$\dfrac{4}{3}$ . x = - $\dfrac{11}{6}$
x = - $\dfrac{11}{6}$ : $\dfrac{4}{3}$
x = - $\dfrac{11}{8}$
