Question

Please do this one- don't troll I will report :)

Answer 1

-3.7

Explanation:

(-y+5.3)+(7.2y-9)=6.2y+n

-y+5.3+7.2y-9=6.2y+n

5.3-9-y+7.2y-6.2y=n

-y+7.2y-6.2y=0 so we will not write the y

n=-3.7