Question

What value of x makes the equation true?

6.7 = –3.2 + x

A.
–9.9

B.
–3.5

C.
3.5

D.
9.9

Answer 1

What do you think it is?

Answer 2

Uhm Oh.. 3.5 or 9.9

Answer 3

9.9 probaly

Answer 4

We want to isolate the variable so if we added 3.2 on each side, what is 6.7+3.2?

Answer 5

9.9

Answer 6

Right. So we would have 9.9 = x The answer is D.

Answer 7

Ohhh!

Answer 8

You could also plug the answers in to see which one is right.

Answer 9

Can you help with the rest I only have 3 more D: and your really good help

Answer 10

Okay let me see them.

Answer 11

What value of r makes the equation true?

r + (–0.16) = 0.37

Answer 12

A.
–0.53

B.
–0.21

C.
0.21

D.
0.53

Answer 13

Okay you can make the equation easier to understand by writing it as r - 0.16 = 0.37

Answer 14

Ok

Answer 15

Add 0.16 to each side. We do that to cancel the -0.16 and isolate the r variable.

Answer 16

0.16+0.37 =?

Answer 17

0.53

Answer 18

And so the answer is D.

Answer 19

Any more?

Answer 20

Mhm

Answer 21

2 more

Answer 22

At 6:00 a.m., the outside temperature was –14⁰. By noon. the outside temperature had risen by 8⁰.

What was the outside temperature at noon?

A.
–22⁰

B.
–6⁰

C.
6⁰

D.
22⁰

Answer 23

The equation would be -14+8

Answer 24

-14+8=?

Answer 25

-7

Answer 26

Close, it was -6.

Answer 27

Oh ok

Answer 28

The answer is B.

Answer 29

Yesterday, Julie’s bank account balance was –$10.28. She deposited some money into her account so that her balance is now $39.89.

How much did she deposit into her account?

A.
$50.17

B.
$39.00

C.
$29.72

D.
$10.00

Answer 30

-10.28 + x = 39.89

Answer 31

add the a +10.28 to each side

Answer 32

39.89 + 10.28 = ?

Answer 33

50.17

Answer 34

Correct, so the answer is A.

Answer 35

Those are all the questions right?

Answer 36

Mhm

Answer 37

Thanks so much!

Answer 38

Your welcome. Good-bye.

Answer 39

Err wait D:

Answer 40

It says I got 2 wrong So I didn't pass now the questions are gonna change up

Answer 41

I have to go but maybe I can come back and help.

Answer 42

Im sorry, I'm wasting your time and okay