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KiRa [710]
3 years ago
7

An equation is shown below: 6x + 2x + 13 = 3x ? 12 Part A: Write the steps you will use to solve the equation. (4 points) Part B

: What value of x makes the equation true? (1 points)
Mathematics
2 answers:
Mademuasel [1]3 years ago
8 0

Answer:

x = -5

Step-by-step explanation:

6x + 2x + 13 = 3x-12

Combine like terms

8x+13 = 3x-12

Subtract 8x from each side

8x-8x+13 = 3x-8x-12

13 = -5x-12

Add 12 to each side

13+12=-5x-12+12

25 = -5x

Divide by -5

25/-5 = -5x/-5

-5 =x

Scilla [17]3 years ago
4 0

Answer:

Part A

Add Like terms

6x + 2x + 13 = 3x - 12

8x + 13 = 3x - 12

get x on the left side

5x + 13 = -12

Subtract 13 from both sides

5x = -13 -12

5x = -25

Divide both sides by 5

x = -5

Step-by-step explanation:


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What is 287 divided by 68 estimated
grin007 [14]

When you divide 287 by 68, when it is not rounded, you will get 4.22058823529... (repeated decimal), but when you round it, you can either get the following: 4.22, 4.2, or 4 (choose which ever you want to pick out of these rounded forms.)

Hope this helped!

Nate

6 0
3 years ago
The ratio of the profit, material cost and production labour of an article is 5:7:13.
IRINA_888 [86]

Answer:

The cost of producing the article is -3500 (Negative cost)

Step-by-step explanation:

The given parameters are

The ratio of the profit to material cost to production labor = 5:7:13

The amount of the material cost = 840 + Labor cost

Let the total cost = X

Therefore, we have;

The fraction of the total cost that is material cost = 7/(5 + 7 + 13) = 7/25

Therefore, the material cost = 7/25 × X

The fraction of the total cost that is labor cost = 13/(5 + 7 + 13) = 13/25

Therefore, the labor cost = 13/25 × X

However, the amount of the material cost = 840 + Labor cost, which gives;

7/25 × X = 13/25 × X + 840

7/25 × X - 13/25 × X = 840

-6/25 × X= 840

X = 840/(-6/25) = 840×(-25/6) = -3500

The cost of producing the article = -3500.

8 0
3 years ago
What I do by step <br><br> Simplify
ch4aika [34]
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Six values on the number line above are marked with letters. Which letters represent integers when the value on the number line
s344n2d4d5 [400]

Answer:

Here is your answer C

Step-by-step explanation:

4 0
3 years ago
Use distributive property to write an expression that is equivalent to 6(u+12)
nirvana33 [79]

Answer:

6u + 72

Step-by-step explanation:

6(u + 12)

Distribute 6 to u and 12

6(u) + 6(12)

6u + 72

6 0
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