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goblinko [34]
3 years ago
11

By solving x5x - 10 = 25 can you help me with this problem​

Mathematics
2 answers:
Lana71 [14]3 years ago
5 0

Answer:

x=7

Step-by-step explanation:

5x-10=25

+10 +10

5x=35

÷5 ÷5

x=7

RSB [31]3 years ago
5 0

Answer:

7

Step-by-step explanation:

Basically what you do is simple. First your -10 turns into positive 10 and you add 10 to 25. Which gives you 35. Then you have 5x. With 5x you simply divide 35 by 5 which gives you 7.

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motikmotik

Answer: at least 1

Step-by-step explanation:

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3 years ago
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
julia-pushkina [17]

There are 300 seats in the theater.

Step-by-step explanation:

Given,

Cost of one VIP ticket = $20

Cost of one regular ticket = $8

Worth of sold out tickets = $3600

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

\frac{36x}{36}=\frac{3600}{36}\\x=100

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

6 0
3 years ago
Jacob is a plumber. Due to increased material costs, he puts all his prices up by 7%. He now chargers R320 per hour for her serv
Lorico [155]

Answer:

R290.1

Step-by-step explanation:

Let

x = charge before he put his prices up

New charge = R320

Percentage increase in price = 7%

x + 7% of x = 320

x + 0.07 * x = 320

x + 0.07x = 320

1.07x = 320

x = 320/1.07

x = 299.06542056074

Approximately

x = R290.1

Charge before he put his prices up = R290.1

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3 years ago
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3 years ago
The weight of 1000 identical samples of a substance is 0.1 pound. what is the weight of 10,000 samples
Damm [24]
0.1 samples I think I'm not sure
5 0
4 years ago
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