\(\frac{1}{3}x-0,5x=0,75\)
\(\Leftrightarrow-\frac{1}{6}x=0,75\)
\(\Leftrightarrow\)\(x=-\frac{9}{2}\)
1/3x -0.5x = 0.75
(1/3 - 0.5)x = 0.75
-1/6x =0.75
x =0.75 : -1/6
x =-9/2
tk mình nha .thank bạn nhiều:))
x. (1/3 - 0,5) = 0,75
x. (-1/6) = 3/4
x = 3/4 : (-1/6)
x = -9/2
\(x.\left(\frac{1}{3}-0,5\right)=0,75\)
\(x.\left(\frac{1}{3}-\frac{1}{2}\right)=\frac{3}{4}\)
\(x.\left(\frac{2}{6}-\frac{3}{6}\right)=\frac{3}{4}\)
\(x.\frac{-1}{6}=\frac{3}{4}\)
\(x=\frac{3}{4}:\frac{-1}{6}\)
\(x=\frac{-9}{2}=-4\frac{1}{2}\)
Vậy x = \(-4\frac{1}{2}\)