If z is the sum of x and y, andx< y, which of the following is equal to (z-2x)?

If z is the sum of x and y, andx< y, which of the following is equal to (z-2x)?

A z-x-y

B z+x-y

C 2y-z

D 2z-x+y

Solution

Correct Answer: Option C

x+y=z

2x+2y=2z

2y=2z-2x

2y=z+z-2x

2y-z=z-2x