а)
-2x-(8-x)+8(2x-5)=15x-48
-2x-8+x+16x-40=15x-48
15x-48=15x-48
б)
14-8(2y-1/4)+6y-16=-10y
14-16y+2+6y-16=-10y
0-10y=-10y
0=0
а)
-2x-(8-x)+8(2x-5)=15x-48
-2x-8+x+16x-40=15x-48
15x-48=15x-48
б)
14-8(2y-1/4)+6y-16=-10y
14-16y+2+6y-16=-10y
0-10y=-10y
0=0