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37pe12-x=21pe6

Răspuns :

[tex] \frac{37}{12} -x= \frac{21}{6} .amplificam\\ \\ 37-12x=42 \\ -12x=42-37 \\ -12x=5=\ \textgreater \ x=- \frac{5}{12} [/tex]
Beatriceionela
37\12-X=21\6( aducem la acelasi numitor(12),de unde ramane:
37-12X=42
-12X=42-37
-12X=5  (INMULTIM CU -1)
12X=-5
X=-5\12

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