Question

Evaluate the expression below when x = 3.


-2x - 8 -(-3x + 8)

Answer 1

That means replace x with 3 and evaluate. Make sure to use the order of operations.
-2x - 8 -(-3x + 8)
-2(3) - 8 - [-3(3) + 8]

Answer 2

i dont understand?

Answer 3

-2x - 8 -(-3x + 8)
-2(3) - 8 - [-3(3) + 8]
= -6 - 8 - (-9 + 8)
= -14 - (-1)
= -14 + 1
= -13