👤
a fost răspuns

3[8-5(3x-2)]+4(4x-9)=2[3(2x-5)+28]-49

Răspuns :

Renatemambouko
3[8-5(3x-2)]+4(4x-9)=2[3(2x-5)+28]-49
3(8-15x+10)+16x-36=2(6x-15+28)-49
3(18-15x)+16x=2(6x+13)-49 +36
54-45x+16x=12x+26-13
54-29x=12x+13
41x=41
x=1

Alte intrebari