Question

When x = 5, the value of the expression –2(x – 10) is

Answer 1

The answer is 10. When you plug it in, you will end up with -2*-5 which is ten. 

Answer 2

–2(x – 10) for x = 5  - 2 ( 5 - 10) = - 2 ( - 5) = 10