👤

Ecuatia: 3(1-2x)+8=32 ma ajuti?


Răspuns :

3(1-2x)=32-8
3(1-2x)=24
1-2x=24:3
1-2x=8
2x=8+1
2x=9
x=9:2
x=4,5   multime vida
[tex]\displaystyle 3(1-2x)+8=32 \\ 3-6x+8=32 \\ -6x=32-3-8 \\ -6x=21 \\ x=- \frac{21}{6} \Rightarrow x=- \frac{7}{2} [/tex]