Datrys 72-(85^2*720^3)div(-820)+22=x

$$72 - ( 85 ^ { 2 } \times 720 ^ { 3 } ) \div ( - 820 ) + 22 = x$$

Datrys ar gyfer x

$$x = \frac{134835843854}{41} = 3288679118\frac{16}{41} \approx 3288679118.390243902$$

Camau ar gyfer Datrys Hafaliad Llinol

Cyfrifo 85 i bŵer 2 a chael 7225.

$$72-\frac{7225\times 720^{3}}{-820}+22=x$$

Cyfrifo 720 i bŵer 3 a chael 373248000.

$$72-\frac{7225\times 373248000}{-820}+22=x$$

Lluosi 7225 a 373248000 i gael 2696716800000.

$$72-\frac{2696716800000}{-820}+22=x$$

Lleihau'r ffracsiwn \frac{2696716800000}{-820} i'r graddau lleiaf posib drwy dynnu a chanslo allan 20.

$$72-\left(-\frac{134835840000}{41}\right)+22=x$$

Gwrthwyneb -\frac{134835840000}{41} yw \frac{134835840000}{41}.

$$72+\frac{134835840000}{41}+22=x$$

Troswch y rhif degol 72 i’r ffracsiwn \frac{2952}{41}.

$$\frac{2952}{41}+\frac{134835840000}{41}+22=x$$

Gan fod gan \frac{2952}{41} a \frac{134835840000}{41} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{2952+134835840000}{41}+22=x$$

Adio 2952 a 134835840000 i gael 134835842952.

$$\frac{134835842952}{41}+22=x$$

Troswch y rhif degol 22 i’r ffracsiwn \frac{902}{41}.

$$\frac{134835842952}{41}+\frac{902}{41}=x$$

Gan fod gan \frac{134835842952}{41} a \frac{902}{41} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{134835842952+902}{41}=x$$

Adio 134835842952 a 902 i gael 134835843854.

$$\frac{134835843854}{41}=x$$

Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.

$$x=\frac{134835843854}{41}$$