0,5x-2/3=5/12
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\(\frac{-2}{5}x+\frac{1}{5}=\frac{3}{10}\)
\(\Leftrightarrow\frac{-2}{5}x=\frac{3}{10}-\frac{1}{5}=\frac{1}{10}\)
\(\Leftrightarrow x=\frac{1}{10}:\frac{-2}{5}=\frac{1}{10}.\frac{5}{-2}=\frac{1}{-4}\)
Vậy: x=1/-4
\(0,5x-\frac{2}{3}=\frac{7}{12}\)
\(\Leftrightarrow\frac{1}{2}x=\frac{7}{12}+\frac{2}{3}\)
\(\Leftrightarrow\frac{1}{2}x=\frac{15}{12}=\frac{5}{4}\)
\(\Leftrightarrow x=\frac{5}{4}:\frac{1}{2}=\frac{5}{4}.2=\frac{5}{2}\)
Vậy x=5/2
0,5x - \(\dfrac{2}{3}\)x = \(\dfrac{5}{12}\)
\(\dfrac{5}{10}\)x - \(\dfrac{2}{3}\)x = \(\dfrac{5}{12}\)
(\(\dfrac{1}{2}\) - \(\dfrac{2}{3}\)) .x=\(\dfrac{5}{12}\)
(\(\dfrac{3}{6}\)
=>(0.5-2/3)x=5/12
=>-1/6x=5/12
=>x=5/12:-1/6
=>=-5/2
vậy x=-5/2
\(0,5x-\frac{2}{3}x=\frac{5}{12}\)
\(x\left(0.5-\frac{2}{3}\right)=\frac{5}{12}\)
\(x.\left(-\frac{1}{16}\right)=\frac{5}{12}\)
\(x=\frac{5}{12}:-\frac{1}{16}=-2.5\Leftrightarrow-\frac{5}{2}\)
Giải: 1/2x - 2/3x = 5/12
( 1/2 - 2/3 ) x = 5/12
-1/6x = 5/12
x = 5/12 : -1/6
x = -5/2
a: =>3/2x=64/15
=>x=128/45
b: =>-1/6x=7/12
=>x=-7/2
c: =>11/2*x=1/2
=>x=1/2:11/2=1/11
\(0,5-\frac{2}{3}x=\frac{5}{12}\)
\(=\frac{1}{2}x=\frac{5}{12}+\frac{2}{3}\)
\(=\frac{1}{2}x=\frac{13}{12}\)
\(\Rightarrow x=\frac{13}{12}:\frac{1}{2}\)
\(\Rightarrow x=\frac{6}{13}\)
Vậy x = \(\frac{6}{13}\)
(#)
:3
x. (0,5-2/3)= 5/12
x. -1/6= 5/12
x= 5/12 : -1/6
x= -5/2
0,5x - 2/3 = 5/12
0,5x = 5/12 + 2/3
0,5x = 13/12
x = 13/6
Vậy x = 13/6
\(0,5x-\frac{2}{3}=\frac{5}{12}\)
\(0,5x=\frac{5}{12}+\frac{2}{3}\)
\(0,5x=\frac{13}{12}\)
\(x=\frac{13}{12}\div0,5\)
\(\Rightarrow x=\frac{13}{6}\)