(64-у)•34=918 помогите срочняк

Question

(64-у)•34=918 помогите срочняк

Answer 1

64-у=918/34
64-у=27
у=64-27
у=37

Answer 2

(64-у)*34=918
64-у=918:34
64-у=27
у=64-27
у=37
___________________
(64-у)*34=918
        918=918