Question

(y-164)+308=500 972-(y-504)=284 помогите

Answer 1

(y-164)+308=500,
у-164+308=500,
у+144=500,
у=500-144,
у=356.


972-(y-504)=284,
972-у+504=284,
1476-у=284,
-у=284-1476,
-у=-1192,
у=1192.