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salantis [7]
3 years ago
14

–10 times the first equation and 3 times the second equation

Mathematics
2 answers:
marissa [1.9K]3 years ago
4 0

Answer:

Its the second one x=5

Step-by-step explanation:

I took the test.

Virty [35]3 years ago
3 0

Answer:

-10 times the first equation and 3 times the second equation

Step-by-step explanation:

Multiply the first equation by 10 and the second equation by -3:

1.  1/5 x + 3/4 y = 9

x-10 ⇒  -2x - 15/2 y = -90

2.  2/3 x - 5/6 y = 8

x3 ⇒ 2x - 5/2 y = 24

Add the equations together:

     -2x - 15/2 y = -90

+      2x - 5/2 y = 24

   -------------------------

         0x - 10y = -66

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