Solve 9c + 4 = -23.

- anonymous

Solve 9c + 4 = -23.

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- anonymous

what is 13-23

- anonymous

10

- anonymous

-3
3
-2.1
4

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## More answers

- Goose.

Where did you get 13-23?

- Goose.

@lauren.ascough

- Goose.

For this you need to isolate your variable (c)

- Goose.

So first, you would subtract 4 from both sides.

- Goose.

So you would have 9c = -27

- Goose.

Then divide both sides by 9.

- anonymous

3

- Goose.

A positive number divided by a negative number is a negative number.

- anonymous

@goose i ask you another question

- Goose.

Sure,

- anonymous

Solve 3x - x + 2 = 12

- Goose.

Combine like terms first, so 3x - 1x is 2x, solve from there, 2x + 2 = 12. subtract 2 from both sides, you have 2x = 10.

- Goose.

You want base value of x, so divide both sides by 2.

- anonymous

5

- Goose.

Yup! :)

- anonymous

@goose i still don't understand to do it by myself

- anonymous

Solve 4(x + 1) + 8 = 24.

- anonymous

like can you help me

- Goose.

Okay, you know how to distribute right?

- anonymous

mmmmm

- Goose.

Well Distribute your 4 to each number in the parentheses, give me your new equation,
I'll do my best to teach you from there.

- anonymous

so its 4x + 5

- anonymous

in the parenthesis

- Goose.

No, you wouldn't add 4 to the +1, you'd multiply, and 4 x 1 is 4.

- anonymous

why

- Goose.

But either way, we now have 4x + 4 + 8 = 24

- Goose.

When distributing, you're multiplying by the outside term,

- anonymous

ok

- Goose.

So you just take your numbers one at a time, 4 x 1x and 4 x 1

- anonymous

but it will give you 16x = 24

- Goose.

No, you don't add them up, this is probably the part that confuses you.

- Goose.

So, we need to do the opposite of each other term.

- Goose.

4x + 4 + 8 = 24, we need to get rid of the 8, so we can Subtract 8 from both sides.

- anonymous

4x + 4 = 24

- anonymous

we get rid of the x

- Goose.

4x + 4 + (8 - 8) = 24 - 8

- Goose.

No, the x is the thing we want to keep, we get rid of everything elseon it's side.

- Goose.

Let's make this a step easier, 4x + 12 = 24.

- Goose.

If you want to get rid of 12, so you just have 4x what would you do?

- anonymous

add

- Goose.

And remember what ever you do to one side, you do to the other.

- Goose.

I don't think so, if you added it would make the 12 go up. we want it to go down to 0.

- anonymous

c = -3

- Goose.

That's actually incorrect.

- anonymous

subtract

- Goose.

Yes, what would you subtract though?

- Goose.

If you want 12 to be 0, and remember you do it to both sides.

- anonymous

4x - 12 = 24 24/8 = 3 the answer is 3

- Goose.

The answer is 3, but why did you do what you just did?

- anonymous

9c+4=-23
9c=-23-4
9c=-27
9c/9= -27/9
remain the C devide it by 9
c= -3

- Goose.

You should of subtracted 12, from both sides which got you too 4x = 12

- Goose.

Then divide both sides by 4.

- Goose.

So you would get x=3

- Goose.

We already solved those problems at the top.

- anonymous

like i subtracted 4 - 12 it gives you 8

- anonymous

then i divided 8 into 24

- anonymous

and it gave me 3

- Goose.

That's not always going to happen, you don't want to do that... You already had +12. you would do -12 to make it 0.

- anonymous

ok

- anonymous

just to know if i understand

- anonymous

Solve y over negative 2 + 5 = 13.

- anonymous

its -36 right

- Goose.

No.

- Goose.

You did everything right except for one step, you added 5 to each side instead of subtracted 5 to each side.

- Goose.

If you have + something or - something you want to do the Opposite.

- Goose.

Try it again, using what I just told you.

- anonymous

scant get it

- anonymous

i can't get it

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