4,12x + 11,68= 160
4,12х = 160 - 11,68
4,12х = 148,32
х = 148,32 : 4,12
х = 36
3,34y - 20,64=300
3,34у = 300 + 20,64
3,34у = 320,64
у = 320,64 : 3,34
у = 96
2,36x - 7,2= 99
2,36x = 99 + 7,2
2,36x = 106,2
х = 106,2 : 2,36
х = 45
1,55y + 7,25=170
1,55y = 170 - 7,25
1,55y = 162,75
y = 162,75 : 1,55
у = 105