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belka [17]
3 years ago
10

-3(w+4)-2w=2(w+1) pls help

Mathematics
2 answers:
lakkis [162]3 years ago
4 0
-7w divided by -7
14 divided by -7
W=-2
MakcuM [25]3 years ago
3 0

Answer:

w = -2

Step-by-step explanation:

1. Distribute

2. Combine like terms

3. Distribute

4. Add 12 to both sides of the equation

5. Simplify

6. Subtract 2w from both sides of the equation

7. Simplify

8. Divide both sides of the equation by the same term

9. Simplify

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Need this quickly (MATHS)
Nookie1986 [14]

(∛3)^5 = 3^n

3^(5/3) = 3^n

5/3 = n

or

n = 5/3

4 0
4 years ago
what is the percent of change from 20 to 24? A. 15% decrease B. 20% increase C. 15% increase D. 20% decrease
OLEGan [10]

Answer:

im pretty sure it would be 15%

Step-by-step explanation:

so A

8 0
3 years ago
Find the measure of the indicated angle
Romashka-Z-Leto [24]
Angle A is 78 because Ab is equal to the Ac
5 0
3 years ago
Which addition does the model below represent?
Nastasia [14]
<h3>Answer:</h3>

[C] 3 + ( - 4).

<h3>Explanation:</h3>
  • First the arrow begins at 0 and moves to the right 3 spaces positive, ending at 3.
  • Then it moves backwards, which is subtracting left 4 spaces towards -1 past zero.
  • When adding a negative to a positive, you convert it to subtraction.
  • 3 + -4 is the same as 3 - 4.

<u>Correct choice</u> - [C] 3 + (- 4).

<u>Note</u>: See the picture attached.

7 0
4 years ago
How do I simplify these expressions?<br> 5(x+8)+3<br> 3.6x-7-5.1x<br> 4+8x+2.2-10x
Aleks04 [339]

Answer:

1. 5x +43

2. -1.5x - 7

3. 6.2 - 2x

Step-by-step explanation:

<u />

<u>Equation 1:</u>

5 (x+8) +3

First, we can distribute the 5 to the (x+8) and get 5x + 40. Distributing is when we multiply the 5 by the first number (x) and then by the second number (8) Because they aren't like terms (don't both have x's) we cannot combine then and must keep them separated by a subtraction sign

Now we have: 5x + 40 + 3

Next, we can combine the like terms. This means that any that have the same variable can be combined. So, the 5x has no other x's so he has to stay how he is. The 40 and the 3, however, can be added together to get 43.

Our finished equation is: 5x + 43

<u />

<u>Equation 2:</u>

3.6x - 7 - 5.1x

First, we can combine like terms as we learned in the last problem. This would be our x's since we have multiple.

We can add 3.6x and -5.1x and get -1.5x

Now we have: -1.5x - 7

<u />

<u>Equation 3:</u>

4 + 8x + 2.2 - 10x

We can start with either the numbers with x's or without but I'll just do the x's. So we have 8x and -10x. Adding these together would get us -2x.

Next, we can combine 4 and 2.2 and get 6.2.

Now, putting these back into our equation would look like this:

6.2 - 2x

I'm not sure how much my explanations helped, but I hope you understand!!

8 0
3 years ago
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