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madreJ [45]
3 years ago
8

A) |9+x|=2x b) |x+6|=2x+9

Mathematics
1 answer:
levacccp [35]3 years ago
4 0

Answer:

a) 9

b) -3

Step-by-step explanation:

a)

|9+x|=2x

9 + x = 2x

   - x    -x

---------------

 9   =    x

b)

|x+6|=2x+9

x +6 = 2x +9

-x          -x

     6 = x + 9

    -9         -9

    --------------

       -3 = x

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3 years ago
a zoo charges an admission price of $85 for the first 12 members of a group and $6 for each additional member of the group. What
elena-14-01-66 [18.8K]

The largest group that can go to the zoo is 23 members

Step-by-step explanation:

The given is:

  • A zoo charges an admission price of $85 for the first 12 members of a group and $6 for each additional member of the group
  • We need to find the largest group that can go to the zoo and spend less than $155 on admission

Assume that the number of members in the group is x

∵ There are x members in the group

∵ The zoo charges an admission price of $85 for the first 12

   members of a group and $6 for each additional member

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- Take 12 members from x and multiply the rest members by

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∵ The group wants to spend less than 155 to go to the zoo

- use the symbol < between the expression above and 155

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Learn more:

You can learn more about the inequalities in brainly.com/question/1465430

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