(1293-m)/19=57 помогите!

Question

(1293-m)/19=57 помогите!

Answer 1

1293 - M = 19 * 57 
1293 - M = 1083 
1293 - 1083 =M 
M = 210

Answer 2

(1293-m)/19=57
57*19=(1293-m)
1083=(1293-m)
m=210