Question

what is this have no clue of how to do it ? ? n+31.53 =62.4 and this one to 9.2+n+8.4=20.8 please help !

Answer 1

To the first problem, n=30.87
To the second one, n=3.2

Answer 2

Ok so to solve to first one u do this:

62.4 - 31.53, which gives u 30.87. and then u add 30.87 and 31.33, and u get 62.4

for the second one u do the same thing.