1) 15x=0.15
x=0.01
2) 3.08/y=4
y=3.08/4=0.77
3) 3a+8a =1.87
11a=1.87
a=0.17
4) 7z - 3z = 5.12
4z = 5.12
z=1.28
15x = 0,15
х=0,15:15
х=0,01
3,08 : y =4
у=3,08:4
у=0,77
3a +8a =1,87
11а=1,87
а=1,87:11
а=0,17
7z - 3z = 5,12
4z=5.12
z=5.12:4
z=1,28
1) 15x=0.15
x=0.01
2) 3.08/y=4
y=3.08/4=0.77
3) 3a+8a =1.87
11a=1.87
a=0.17
4) 7z - 3z = 5.12
4z = 5.12
z=1.28
15x = 0,15
х=0,15:15
х=0,01
3,08 : y =4
у=3,08:4
у=0,77
3a +8a =1,87
11а=1,87
а=1,87:11
а=0,17
7z - 3z = 5,12
4z=5.12
z=5.12:4
z=1,28