Question

If x=5/2,y= -3/4 then evaluate (x + y) + (x - y)​

Answer 1

Answer:

= 5/2+(-3/4)+5/2-(-3/4)

= 5/2-3/4+5/2+3/4

= (10-3)/4+(10+3)/4

= 7/4+13/4

= (7+13)/4

= 20/4

= 5