Bài 1 : Tìm x :
a)\(\dfrac{1}{3}x\) + \(\dfrac{2}{5}(x+1)=0\) .
b)\(\dfrac{-15}{12}x \) + \(\dfrac{3}{7}\) = \(\dfrac{5}{6}x = \dfrac{1}{2}\)
Loga
Toán lớp 6
Bài 1 : Tìm x :
a)\(\dfrac{1}{3}x\) + \(\dfrac{2}{5}(x+1)=0\) .
b)\(\dfrac{-15}{12}x \) + \(\dfrac{3}{7}\) = \(\dfrac{5}{6}x = \dfrac{1}{2}\)
