SCUSATE COMPITO IN CLASSE SPIEGAZIONE

[chaty]

4(5X+1)-6=2(8X+9)., 5[-6+2X-3(X+2)]=8(X-1)-4X-5-2.,

[giuls8]

20X+4-6=16X+18.......5[-6+2X-3(X+2)]=8X-8-4X-7
20X-16X=20...........5(-12-X)=4X-15
4X=20............... -60-5X=4X-15
X=5................. -9X=45
.....................X=-5

ti serve la spiegazione ho hai capito? :)