3 years ago

The sum of 5 times a number and 2 is the same as the number minus 2

Mathematics

1 answer:

Genrish500 [490]3 years ago

7 0

The number is -1.
5x+2 = x-2
X=-1

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Answer:

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Step-by-step explanation:

Let

x ---> the numbers of tickets in advanced sold

y ---> the numbers of tickets at the door sold

we know that

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$x+y=325$ ----> equation A

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Solve the system of equations by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

The solution is the point (260,65)

see the attached figure

therefore

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The sum of 5 times a number and 2 is the same as the number minus 2​

The sum of 5 times a number and 2 is the same as the number minus 2