68+а×(640:80)=3000-900

Question

68+а×(640:80)=3000-900

Answer 1

68 + а • ( 640 : 80 ) = 3000 - 900
68 + 8а = 2100
8а = 2100 - 68
8а = 2032
а = 2032 : 8
а = 254