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Description
Flashcards by Carmen Peragón Martínez, updated more than 1 year ago
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Created by Carmen Peragón Martínez
about 6 years ago
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| Question | Answer |
| x+3=5 | x=5 |
| 2x=4 | x=2 |
| -2x=4 | x=-2 |
| 6=-x | x=-6 |
| x-3=x | Sin solución |
| x-5=x-7+2 | Infinitas soluciones |
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