Question

решите уровления370-z=50;c+300=572;290-x120;150-c=80;130+c=60;z&40=258x-60=180

Answer 1

370-z=50
z=370-50
z=320
370-320=50
c+300=572
c=572-300
c=272
272+300=572
290-x=120
x=290-120
x=170
290-170=120
150-c=80
c=150-80
c=70
150-70=80
x-60=180
x=180+60
x=240