Question

If x=2 and y=5, evaluate the following expression: 2(x+y)

Answer 1

14

Explanation:

2(x+y)

2(2+5) (keeping 2 in place of x and 5 in place of y)

2(7)

2*7

14

Answer 2

2(x+y)

x=2 and y=5

2x+2y

Subs

2(2)+2(5)

4+10=14