(5PED)Ekuazio-sistema7. Aingeruk asmatua

matelauaizeta 1456151310624 ...nola azalduko zenioke? | 2013-04-23 21:23
4

3x + 2y = 3

2(x - y) = 12

Erika

Erika 2013-04-24 20:24 #1

<p>
<p>3x + 2y = 3 } &nbsp; &nbsp;3x + 2y = 3</p>

<p>2(x &ndash; y) = 12 } 2x &ndash; 2y = 12</p>

<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 5x + 0y = 15</p>

<p>5x = 15</p>

<p>X = 15/5 = 3</p>

<p>3(3) + 2y = 3</p>

<p>9 + 2y = 3</p>

<p>9 - 3 = 2y</p>

<p>6 = 2y</p>

<p>y = 6/2 = 3</p>

<p>&nbsp;</p>

</p>

Ramon

Ramon 2013-04-29 21:36 #2

<p>gaizki dago</p>

Aingeru Astigarraga

Aingeru Astigarraga 2013-05-02 18:49 #3

<p>x=3 &nbsp;y=-3</p>

Ramon

Ramon 2013-05-03 16:16 #4

<p>ondo aingeru!</p>


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