1. 9х+50=86
9х=86-50
9х=36
х=36/9
х=4
2. 120:(x-19)=6
x-19=120:6
x-19=20
x=20+19
x=39
3. (y+50):14=4
y+50=4*14
y+50=56
y=56-50
y=6
4. 48+y:6=95
y:6=95-48
y:6=47
y=47*6
у=282
1. 9х+50=86
9х=86-50
9х=36
х=36/9
х=4
2. 120:(x-19)=6
x-19=120:6
x-19=20
x=20+19
x=39
3. (y+50):14=4
y+50=4*14
y+50=56
y=56-50
y=6
4. 48+y:6=95
y:6=95-48
y:6=47
y=47*6
у=282