Question

3x + 9 < 4x + 7

Answer 1

A)x>2
B)-x<-2
C)x<2
D)x>-2

Answer 2

3x + 9 < 4x + 7 simpily = B, -x<-2

Answer 3

Hmm. Can you move any tems to the other side?

Answer 4

3x

Answer 5

right?

Answer 6

So take 3x to the lft side and what do you get?

Answer 7

take 3x to the right side**

Answer 8

I always mix up my lefts and rights.. lol

Answer 9

So this is our question
\(\ 3x + 9 < 4x + 7\)

Answer 10

7x+7?

Answer 11

Hmm on the left side you can notice that you are adding 3x. So when you take it to ther other side oyu have to dothe opposite of adding which is what?

Answer 12

subtract

Answer 13

1x or x

Answer 14

ok so we subtract.

Answer 15

I feel dumb lol

Answer 16

\(\ 3x + 9 < 4x + 7\)
\(-3x ~~~~~~~ -3x\)
\( --------\)

Answer 17

So what do you get then?

Answer 18

1x

Answer 19

what is the full equation we get afterwords?

Answer 20

3x+9<1x+7

Answer 21

wait lol

Answer 22

9<1x+7

Answer 23

Correct!

Answer 24

So now we need to get the 7 over to the other side. What should we do? addition or subtraction?

Answer 25

addition

Answer 26

16<1x?

Answer 27

We have
\(9<1x+7\)

7 is being added already. So what is the opposite of addition?

Answer 28

Sub

Answer 29

2<1x

Answer 30

correct!

Answer 31

And so then
1x is nothing but x

Answer 32

Do you understnand that last part?

Answer 33

yes sp through all the answers is it A

Answer 34

Exactly!

Answer 35

YAAAY .. um i have more lol

Answer 36

Before you go I'd like to say a few words.

Answer 37

Go ahead

Answer 38

I'd like to thank you for actively participating in the question! That made sure that you would learn it and it will help you whenever you have to take a test on it!
And thanks for telling me that no one was helping you with your problem in the math chat!

Answer 39

You are welcome

Answer 40

The last line is because someone checks my questions answered. long story :) lol

Answer 41

it's okay lol

Answer 42

I have one more for you to help me on

Answer 43

Ok sure! I'll be glad to help you. Make a new question and tag me in it!