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help me please - look at pic

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Sagot :

Iciclepiano18idn

Answer:

Task 1:

Change the second equation into:

x=3y-12

Then substitute 3y-12 for x in the first equation:

2(3y-12)-6y=5

6y-24-6y=5

-24≠5

no solution

Task 2

We know that the two lines in the system of equations have the same slope. The solution in task 1 means that the two lines have to be parallel, as they do not intersect.

Elorahendersonidn

2x - 6y = 5    x - 3y = -12

-2x____-2x___ x - 3(1/3x - 5/6) = -12

-6y = -2x +5____ x - 1x + 5/2 = -12

----__-----__---______5/2 = -12

-6___-6_-6________-----___----

__________________  5/2___ 5/2

y = 1/3x - 5/6________-4.8

I. d. k if this helps you at all but I hope this helped-?!!

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