Câu hỏi của Hồ Phạm Quỳnh Anh

Question

giúp mik gấp nhé

e.-2/3:x+1/2=-5/6

⚚ßé Só¡⁀ᶦᵈᵒᶫ · Accepted Answer

$\frac{-2}{3}$: x +$\frac{1}{2}$=$\frac{-5}{6}$

<=>$\frac{-2}{3}$:x=$\frac{-5}{6}$-$\frac{1}{2}$

<=>$\frac{-2}{3}$:x=$\frac{-4}{3}$

<=>x=$\frac{-2}{3}$:$\frac{-4}{3}$

<=>x=$\frac{1}{2}$

Vậy x= $\frac{1}{2}$

Câu trả lời:

$\frac{-2}{3}$: x +$\frac{1}{2}$=$\frac{-5}{6}$

<=>$\frac{-2}{3}$:x=$\frac{-5}{6}$-$\frac{1}{2}$

<=>$\frac{-2}{3}$:x=$\frac{-4}{3}$

<=>x=$\frac{-2}{3}$:$\frac{-4}{3}$

<=>x=$\frac{1}{2}$

Vậy x= $\frac{1}{2}$

a) 198 – 3(2x + 4) = 120 b)2(x + 7) - 6 = 13	c) 5(x + 5) – 3(x - 2)= 52+18 d)4(x + 2) = 3(x +1) + 17