Question

What value of x is the rational expression below equal to zero?
2-x/2+x

Answer 1

x= 2

Explanation:

in a rational expression a/b, a/b is 0 when a = 0 and b does not =0

ie. 0/1 = 0; 0/12 = 0

that means that 2-x = 0

2-x+x = 0+x

2= x