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OLEGan [10]
3 years ago
7

(04.03 LC)

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
7 0
<h3>Answer:</h3><h2>              -3x + y = 12</h2><h2>              -2x + 4y = 18 </h2>

Step-by-step explanation:

first equation of new system would be the same as first one given:

<u>-3x + y = 12</u>

<u />

-3x+y + x+3y = -3x + x + y + 3y = -2x + 4y

12 + 6 = 18

so the second equation would be:  <u>-2x + 4y = 18</u>

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