Use any method to find the point of intersection of the lines x= 3 and y= -2

Mathematics

1 answer:

salantis [7]3 years ago

3 0

By the method of writing the obvious answer,

(3, -2)

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This problem can be solved by algebraic method.
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x = the total time spent of all clients in Plan A
y = the total time spent of all clients in Plan B
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On Wednesday, the two workout plans have the total time of 6 hours. We equate
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While on Thursday, the total time is 12 hours. We also equate
9x + 7y = 12

To find x and y, we can use the substitution method. For the first equation, we arrange it in terms of y, that is
5y = 6 - 3x
y = (6 - 3x)/5

Substitute it to the second equation:
9x + (7/5)(6 - 3x) = 12
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