Question

Rezolvati in multimea numerelor intregi ecuatia 3[2|2x-5|+2(2x-3)-3]=3(4x+13) va rog dau puncte

Answer 1

3paranteaza patrata2(2x+5)+2(2x-3)-3=3(4x+13
3[2*(2x+5) +(4x-6-3)=12x+39
3(4x+10+4x-9)12x+39
12x+30+12x-36-12x-33=0
se reduc -12x cu 12x
 si ramane
12x=-45
x=-45/12
succes