What is the value of x? -2x + 8 = - 16

Answers

Answer 1

Answer: Solve the equation
So first we subtract 8 from both sides because we apply the inverse operation.
-2x+8=-16
-8 -8
Now we apply it and re write the equation
-2x=-24
Now the inverse operation for multiplication is division, so we apply it.
-2x=-24
------------
-2 -2
We are left with x=8
So our final answer is x=8

Check our work
-2(8)+8=-16

CORRECT ANSWER. :)

Answer 2

Answer: you have to subtract 8 by -16 and u get 8 then u divide 8 by 2x and u get 4

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The cost for a certain music plan is $9.99 per year plus $0.25 per song you downloaded. If you paid $113.74 one year, find the number of songs you downloaded

Answers

They downloaded 415 songs. You can find this solution if you subtract 9.99 from 113.74 then divide that answer by 0.25

I would first add 9.99 and 0.25 then subtract 113.74-1024 which was total to 9.99 0.25 which would give you your awnser of 123.5

How many different ways can a coach select the captain and co-captain of a team from a group of 20 people?A: 40
B: 160
C: 380
D: 420
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Ariel wants to choose 5 players for her basketball team. there are 7 players to choose from. how many different teams can ariel make?
A: 21
B: 35
C: 42
D: 56
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((question in picture))
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Answers

The coach can select the captain in 20 ways (i.e. from all the available 20 players), and he can select the co-captain in 19 ways (i.e. after selecting the captain, there will be 19 people left).
Therefore, the coach can select the captain and the co-captain in 20 x 19 = 380 ways.

Answer:

Step-by-step explanation:

1. Number of peoples available to choose from = 20

$\text{Ways of selecting the captain from 20 people = }_(1)^(20)\textrm {C}=20$