Х+120=45×6 у×20=450+120+13075÷у=800-725450+а=570+430

Question

Х+120=45×6
у×20=450+120+130
75÷у=800-725
450+а=570+430

Answer 1

Х+120=270
х=150
у×20=700
у=35
75÷у=75
у=1
450+а=1000
а=550

Answer 2

X=45*6-120=258
y=450+120+130:20=35
y=800-725-75=0
a=570+430-450=550
Наверно так