8,35+4,23а-3,17а. а=8,5 Help me.

Question

8,35+4,23а-3,17а. а=8,5 Help me.

Answer 1

8,35 + 35,96- 26,95=44,31-26,95=17,36

Answer 2

8,35+1,06а= 8,35+1,06×8,5=8,35+9,01=17,36