Question

find sum : 1-25 | + 9 -|-4​

Answer 1

given question:

|-25| +9-|-4|=?

sol :we know |x|=x if x is positive

|x|= -x if x is negative

|x|=0 if x =0

|-25|=-(-25)=25

|-4|=-(-4)=4

|-25| +9-|-4|=25+9-4=30