1)y+0.396=8.7
y 8.7 - 0,396
y = 8.304
2) x + 0.16 = 3.25
x = 3.25 - 0.16
x = 3.09
у+0,792:2,16=8,7
y+11/30-8.7=0
y=25/3y=8 1/3
х+0,4:2,4=3,25
x+1/6-3.25=0
x=37/12x=3 1/12
1)y+0.396=8.7
y 8.7 - 0,396
y = 8.304
2) x + 0.16 = 3.25
x = 3.25 - 0.16
x = 3.09
у+0,792:2,16=8,7
y+11/30-8.7=0
y=25/3
y=8 1/3
х+0,4:2,4=3,25
x+1/6-3.25=0
x=37/12
x=3 1/12