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Undid revision 728841892 by 180.151.175.145 (talk) grammar was correct: "set...satisfies" |
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Line 68:
:<math>4x+4y=10</math>
has no solutions; the inconsistency can be seen by multiplying the first equation by 4 and subtracting the second equation to obtain the impossible 0 = -2.
Likewise,
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