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Problemi Simili mit-Tiftix tal-Web

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2-x=\frac{1}{5+2}\left(7-x\right)
Naqqas 3 minn 4 biex tikseb 1.
2-x=\frac{1}{7}\left(7-x\right)
Żid 5 u 2 biex tikseb 7.
2-x=\frac{1}{7}\times 7+\frac{1}{7}\left(-1\right)x
Uża l-propjetà distributtiva biex timmultiplika \frac{1}{7} b'7-x.
2-x=1+\frac{1}{7}\left(-1\right)x
Annulla 7 u 7.
2-x=1-\frac{1}{7}x
Immultiplika \frac{1}{7} u -1 biex tikseb -\frac{1}{7}.
2-x+\frac{1}{7}x=1
Żid \frac{1}{7}x maż-żewġ naħat.
2-\frac{6}{7}x=1
Ikkombina -x u \frac{1}{7}x biex tikseb -\frac{6}{7}x.
-\frac{6}{7}x=1-2
Naqqas 2 miż-żewġ naħat.
-\frac{6}{7}x=-1
Naqqas 2 minn 1 biex tikseb -1.
x=-\left(-\frac{7}{6}\right)
Immultiplika ż-żewġ naħat b'-\frac{7}{6}, ir-reċiproku ta' -\frac{6}{7}.
x=\frac{7}{6}
Immultiplika -1 u -\frac{7}{6} biex tikseb \frac{7}{6}.