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Zina [86]
3 years ago
15

6(x+2)+7=5(x+3)-7(x-2)

Mathematics
2 answers:
saul85 [17]3 years ago
8 0

Answer:

10/8 or 1 1/5

Step-by-step explanation:

1) distributive property

  • 6(x+2)+7=5(x+3)-7(x-2)
  • 6x+12+7=5x+15-7x+14

2) combine like terms

  • 6x+19=-2x+29
  • 8x=10

3) isolate x

  • divide both sides by 8

4)simplify

  • 10/8 --> 1 1/5

astraxan [27]3 years ago
6 0

Answer:

X=5/4

Step-by-step explanation:

6(x+2)+7=5(x+3)-7(x-2)

(6x+6.2)+7=(5x+5.3)-(7x-7.2)

(6x+12)+7=(5x+15)-(7x-14)

6x+12+7=5x+15-7x+14

6x19=5x-7x+15+14

6x19=-2x+29

8x=10

8x/8 = 10/8

X=2.5/2 square root 3

X=5/2 square root 3 - 1

X=5/4

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\huge{ \mathfrak{  \underline{ Answer} \:  \:  ✓ }}

let the number of

  • adults be x

  • children be y

Total number of people : adults + children

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  • x = 240 - y - [1]

Total money earned from adults :

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Total money earned from children :

  • 2 × y = 2y

Therefore, total money = money earned from each Adult and children.

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Now, let's plug the value of x from equation [1] into equation [2]

  • 6 (240 - y) + 2y = 1200

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let's plug the value of y in equation [1]

  • x = 240 - y

  • x = 240 - 60

  • x = 180

Hence, we get :

  • total adults = x = 180

  • total children = y = 60

Correct option is C

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7 0
3 years ago
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muminat

Answer:

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Step-by-step explanation:

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8 0
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Answer:

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Step-by-step explanation:

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5 0
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-3

Step-by-step explanation:

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