Question

1-2(3x - 2) + x + 9 when x = -3?

Answer 1

29

Explanation:

First, substitute in -3 for x.

1-2(3*-3-2)-3+9

Next, PEMDAS says to work on the parenthesis. We multiply first, then subtract.

1-2(-11)-3+9

Now, we multiply.

1+22-3+9

Then, we add and subtract.

23-3+9

20+9

29