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Reverting edit(s) by 2405:204:1228:3AE1:D993:C2E0:E06F:2A54 (talk) to rev. 1092604929 by Smallangryplanet: Vandalism (RW 16.1) |
there was a mathematical error. I just correct it. Tag: Reverted |
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:<math>x+y+2z=4</math>
has an infinite number of solutions, all of them having ''z'' = 1 (as can be seen by subtracting and then adding the first equation from the second), and all of them therefore having ''x+y'' = 2 for any values of ''x'' and ''y''.
The nonlinear system
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