Răspuns:
Explicație pas cu pas:
3(x-1) + (x+5) / 4 =2(2x-1) +(2x-5) /4
12(x-1) +(x+5) = 8(2x-1) +(2x-5)
12x -12 +x +5 = 16x -8 +2x -5
16x +2x -12x -x = 5-12+8+5
5x =6
x= 6/5
succes !!