Решить уравнения.
А) -0,01x=1
Б) 0,1(x-8)=0,9
В) -9/14z+2=4 4/7

А) -0,01x=10,01х = -1х = (-1)/0,01х = -100Б) 0,1(x-8)=0,90,1х - 0,8 = 0,90,1х = 0,9 + 0,80,1х = 1,7х = 1,7/0,1х = 17В) -9/14z+2=4 4/79/14z - 2 = -4 4/79/14z = -4 4/7 + 29/14z = -2 4/79/14z = -18/7z= (-18/7) : 9/14z = (-18/7)*14/9z=-4

-0,01х=1х=1:(-0,01)х=-1000,1(х-8)=0,9х-8=0,9:0,1х-8=9х=9+8х=17-9/14z+2=4 4/7-9/14z=4 4/7-2-9/14z=2 4/7z=2 4/7:(-9/14)z=18/7:(-9/14)z=-4