14a+3(4a+1)-6a=363 HELP ME PLZ я русски))

Question

14a+3(4a+1)-6a=363 HELP ME PLZ я русски))

Answer 1

14a+3(4a+1)-6a=363
14а+12а+3-6а=363
14а+12а-6а=363-3
20а=360
а=18

Answer 2

14a+3(4a+1)-6a=363
14a+12a+3-6a=363
14a+12a-6a=363-3
20a=360
a=18