Sagot :
0.4(2x+0.5)=3[0.2x+(-2)]-4
0.8x+0.2=0.6x-6-4
0.8x-0.6x=-6-4-0.2
0.2x=-10.2
x=-10.2/0.2
x=-51
0.8x+0.2=0.6x-6-4
0.8x-0.6x=-6-4-0.2
0.2x=-10.2
x=-10.2/0.2
x=-51
[tex]0.4(2x+0.5)=3[0.2x+(-2)]-4[/tex]
[tex]0.8x+0.2=0.6x-10[/tex]
[tex]0.2x=-10.2[/tex]
[tex]x= \frac{-10.2}{0.2} [/tex]
[tex]x=-51[/tex]
[tex]0.8x+0.2=0.6x-10[/tex]
[tex]0.2x=-10.2[/tex]
[tex]x= \frac{-10.2}{0.2} [/tex]
[tex]x=-51[/tex]