Seudónimo Seudónimo

10-04-2017
Mathematics

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9x - 3y = -2
-3x + y = -3

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apologiabiology apologiabiology

10-04-2017

multiply 2nd equation by 3 and add to first
9x-3y=-2
-9x+3y=-9 +
0x+0y=-7

0=-7
false
no solution
these lines aer paraalell so no solution

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