(27-0,3z)•(6,4+32)=0;
(27-0,3z)•38,4=0
1036,8-11,52z=0
11,52z=1036,8
z=1036,8 ÷ 11.52
z=90
10-3x=11-4x;
-3x+4x=11-10
x=1
2-3•(2x-4)=4-7x.
2-6x+12=4-7x
14-6x=4-7x
-6x+7x=4-14
x=-10
(27-0.3z)•(6.4+32z)=0.
27-0.3z=0
6.4+32z=0
0.3z=27
32z=-6.4
z=27×10/3
z=-64/10×32
z=-0.2
(27-0,3z)•(6,4+32)=0;
(27-0,3z)•38,4=0
1036,8-11,52z=0
11,52z=1036,8
z=1036,8 ÷ 11.52
z=90
10-3x=11-4x;
-3x+4x=11-10
x=1
2-3•(2x-4)=4-7x.
2-6x+12=4-7x
14-6x=4-7x
-6x+7x=4-14
x=-10
(27-0.3z)•(6.4+32z)=0.
27-0.3z=0
6.4+32z=0
0.3z=27
32z=-6.4
z=27×10/3
z=-64/10×32
z=90
z=-0.2