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ExtremeBDS [4]
2 years ago
14

Nine times the sum of a number and 2 is 8. Use the variable x for the unknown number

Mathematics
1 answer:
Tems11 [23]2 years ago
5 0
The equation will look like this …9(x + 2)=8
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If you could write out the whole problem exactly how it is, I can solve it for you.
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Mike has a 9 foot long board. He needs to cut it into 12 equal parts. How many feet long should each section be?
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A movie theater earned $3,600 in sold-out ticket sales for the premiere of a new movie. VIP tickets cost $20 per person and regu
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There are 300 seats in the theater.

Step-by-step explanation:

Given,

Cost of one VIP ticket = $20

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Let,

x represent the number of VIP tickets sold

y represent the number of regular tickets sold

20x+8y=3600     Eqn 1

y = 2x                   Eqn 2

Putting value of y from Eqn 2 in Eqn 1

20x+8(2x)=3600\\20x+16x=3600\\36x=3600

Dividing both sides by 36

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Putting x=100 in Eqn 2

y=2(100)\\y=200

Total = x+y = 100+200 = 300

There are 300 seats in the theater.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/10633485
  • brainly.com/question/10672611

#LearnwithBrainly

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Step-by-step explanation:

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