Datrys 7164=P[(1+5/100)^2-1]

$$7164 = P [ ( 1 + \frac { 5 } { 100 } ) ^ { 2 } - 1 ]$$

Datrys ar gyfer P

$$P = \frac{2865600}{41} = 69892\frac{28}{41} \approx 69892.682926829$$

Camau ar gyfer Datrys Hafaliad Llinol

Lleihau'r ffracsiwn \frac{5}{100} i'r graddau lleiaf posib drwy dynnu a chanslo allan 5.

$$7164=P\left(\left(1+\frac{1}{20}\right)^{2}-1\right)$$

Adio 1 a \frac{1}{20} i gael \frac{21}{20}.

$$7164=P\left(\left(\frac{21}{20}\right)^{2}-1\right)$$

Cyfrifo \frac{21}{20} i bŵer 2 a chael \frac{441}{400}.

$$7164=P\left(\frac{441}{400}-1\right)$$

Tynnu 1 o \frac{441}{400} i gael \frac{41}{400}.

$$7164=P\times \frac{41}{400}$$

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

$$P\times \frac{41}{400}=7164$$

Lluoswch y ddwy ochr â \frac{400}{41}, cilyddol \frac{41}{400}.

$$P=7164\times \frac{400}{41}$$

Lluosi 7164 a \frac{400}{41} i gael \frac{2865600}{41}.

$$P=\frac{2865600}{41}$$