Question

Evaluate the expression below when x = 3.

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

Answer 1

just plug in the 3 to the x

Answer 2

can some one please do this problem for me and explain the step's to how solving this problem please soi can learn how to solve my other problems

Answer 3

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

Answer 4

so the answer is 3

Answer 5

i can explain if you want

Answer 6

can you please

Answer 7

some one please help!!!

Answer 8

what are your answer choices?

Answer 9

A.
-31
B.
-19
C.
-13
D.
3

Answer 10

okies


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

-2x - 8 - (-3x + 8)
^
distribute this negative
3x- 8 negatives becomes positive, positives become neg


-2x - 8 + 3x - 8 <----- now you have this
^ ^
input 3

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

(-6 ) - 8 + 9 - 8

-14 + 1

- 13

Answer 11

-2x - 8 -(-3x + 8)
^ ^
3 3
-2(3)-8 -(-3(3) +8)
-6 -8 -( - 9 + 8)
-6 - 8 -( -1)
-6 - 8 + 1
-14 + 1
-13

Answer 12

thank you guys

Answer 13

A variable expression such as -2x - 8 -(-3x + 8), is evaluated by

replacing each variable x with a given value 3

and simplifying the resulting numerical expression.

-2(3)-8 -(-3(3) +8)
-6 -8 -( - 9 + 8)
-6 - 8 -( -1)
-6 - 8 + 1
-14 + 1
-13