Question

giúp mik ạ

Answer 1

\(a,\dfrac{-5}{7}+1+\dfrac{30}{-7}\le x\le\dfrac{-1}{6}+\dfrac{1}{3}+\dfrac{5}{6}\)

\(\dfrac{-5}{7}+\dfrac{7}{7}+\dfrac{-30}{7}\le x\le\dfrac{-1}{6}+\dfrac{2}{6}+\dfrac{5}{6}\)

\(-4\le x\le1\)

\(=>x\in\left\{-4;-3;-2;-1;0;1\right\}\)

Answer 2

câu a thôi cx được ạ

Answer 3

Answer 4

Đây nhé