Номер 152.
Пожалуйста решите

№152а)7(x-8.2)=3x+197x-57.4=3x+197x-3x=19+57.44x=76.4x=19.1б)0.2(5x-6)+2x=0.8x-1.2+2x=0.8x+2x=0.8+1.23x=2x=в)-(7y+0.6)=3.6-y-7y-4.2=3.6-y-7y+y=3.6+4.2-6y=7.8-y=1.3y=-1.3г)3(2.5-2x)=13.5-14x7.5-6x=13.5-14x-6x+14x=13.5-7.58x=6x=0.75д)0.6y-1.5=0.3(y-4)0.6y-1.5=0.3y-1.20.6-0.3y=-1.2+1.50.3y=0.3y=1e)0.5(4-2a)=a-1.82-a=a-1.8-2a=-1.8-2-2a=-3.8a=1.9