Find the opposite of each number, and describe its location on the number line.
a. −5
b. 10
c. −3
d. 15

Answer                        

to calculate the opposite of the number

a) opposite of number -5 will be equal to 5                    

b) opposite of number 10 will be equal to -10                

c) opposite of number -3 will be equal to 3.                

d) opposite of the number 15 will be equal to -15                          

the number line is attached below which shows the value