👤

2[3(x-5)+x]=4(x-30-3(x+1)-1



Răspuns :

2(3x-15+x)= 4(x-30-3x-3-1) --> 6x-30+2x=4x-120-12x-12-4 --> 8x-30=-8x-126 -->
16x=-126+30 --> x= 96/16 -->x=6