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madreJ [45]
3 years ago
10

12x - 3x + 4 = 5x - 16 Please show me how you got it!

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
8 0

Answer:

x = -5

Step-by-step explanation:

Combine them like terms,then you subtract 4 from both sides,and then Simplify

oksano4ka [1.4K]3 years ago
6 0

Step-by-step explanation:

12x-3x+4=5x-16

9x+4=5x-16

collect like terms

9x-5x= -16-4

4x= -20

divide both sides by 4

x = -5

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42 packages.


1,008 divided by 24=42

Hope that helps! :)
5 0
3 years ago
Write an equivalent expressions to 2x + 3 + 5x +6 by combining like terms Your standard form +
Stolb23 [73]

Answer:

7x+9

Step-by-step explanation:

combine like terms

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8 0
3 years ago
3x-4=13 solve inequality plz show work !
dimulka [17.4K]
3x-4=13
First you want all your x's on one side, and all your ordinary numbers on the other.
Add four to both sides to get rid of the "-4" part on the left.
Your new equation is 3x = 17
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7 0
3 years ago
Read 2 more answers
Every 2/3 hour, Harris can sew 1/6 pair of jeans. What is Harris's rate in pairs of jeans per hour?
STatiana [176]
Whole hour - 2/3 = 1/3

1/3 + 1/6 = 2/6 + 1/6
              = 3/6

Harris can sew half of a pair of jeans per hour.
3 0
3 years ago
Read 2 more answers
Eva has £6.05 in her moneybox.
PIT_PIT [208]

Answer:

11 of 20p, 22 of 10p and 33 of 5p

Step-by-step explanation:

Eva has 20p, 10p and 5p coins, total of £6.05 = 605p

Let 20p=x, 10p=y, 5p=z

<u>Then</u>:

  • 20x + 10y + 5z = 605
  • y : x = 2 : 1 ⇒ x= y/2
  • y : z = 2 : 3 ⇒ z= 3y/2

<u>Rewriting the first equation considering next two:</u>

  • 10y + 10y + 7.5y = 605
  • 27.5y = 605
  • y= 605/27.5
  • y= 22
  • x= y/2 = 22/2 = 11
  • z = 3y/2 = 3*11 = 33

<u>Answer:</u> 11 of 20p coins, 22 of 10p coins and 33 of 5p coins

3 0
3 years ago
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