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Answered

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–10 times the first equation and 3 times the second equation
10 times the first equation and 3 times the second equation
–3 times the first equation and 5 times the second equation
3 times the first equation and 5 times the second equation

10 Times The First Equation And 3 Times The Second Equation 10 Times The First Equation And 3 Times The Second Equation 3 Times The First Equation And 5 Times T class=

Sagot :

Answer:

Its the second one x=5

Step-by-step explanation:

I took the test.

semsee45

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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