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3 years ago

[6.03] What is the value of the x variable in the solution to the following system of equations?

1 answer:

8 0

We multiply both equations by a constant term so that when we subtract the equations, the y values cancel out:

4(4x - 3y = 3)
3(5x - 4y = 3)

16x - 12y = 12
15x -12y = 9; subtracting the second equation from the first:

x = 3

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3 years ago

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The number of presale tickets sold is 271

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Let "p" be the number of presale tickets sold

Let "g" be the number of tickets sold at gate

Given that, total of 800 Pre-sale tickets and tickets at the gate were sold

Therefore,

Presale tickets + tickets sold at gate = 800

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Given that, number of tickets sold at the gate was thirteen less than twice the number of pre-sale tickets

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Number of tickets sold at gate = twice the number of pre-sale tickets - 13

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