Datrys ar gyfer x
x = \frac{29570729}{383040} = 77\frac{76649}{383040} \approx 77.200107038
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Rhannu
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x\times 20-1544=\frac{123}{57456}
Rhannu’r ddwy ochr â 57456.
x\times 20-1544=\frac{41}{19152}
Lleihau'r ffracsiwn \frac{123}{57456} i'r graddau lleiaf posib drwy dynnu a chanslo allan 3.
x\times 20=\frac{41}{19152}+1544
Ychwanegu 1544 at y ddwy ochr.
x\times 20=\frac{41}{19152}+\frac{29570688}{19152}
Troswch y rhif degol 1544 i’r ffracsiwn \frac{29570688}{19152}.
x\times 20=\frac{41+29570688}{19152}
Gan fod gan \frac{41}{19152} a \frac{29570688}{19152} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.
x\times 20=\frac{29570729}{19152}
Adio 41 a 29570688 i gael 29570729.
x=\frac{\frac{29570729}{19152}}{20}
Rhannu’r ddwy ochr â 20.
x=\frac{29570729}{19152\times 20}
Mynegwch \frac{\frac{29570729}{19152}}{20} fel ffracsiwn unigol.
x=\frac{29570729}{383040}
Lluosi 19152 a 20 i gael 383040.
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