Datrys 140=19[1+45*10^-3(T-200)]

$$140 = 19 [ 1 + 45 \times 10 ^ { - 3 } ( T - 200 ) ]$$

Datrys ar gyfer T

$$T = \frac{58400}{171} = 341\frac{89}{171} \approx 341.520467836$$

Camau ar gyfer Datrys Hafaliad Llinol

Rhannu’r ddwy ochr â 19.

$$\frac{140}{19}=1+45\times 10^{-3}\left(T-200\right)$$

Cyfrifo 10 i bŵer -3 a chael \frac{1}{1000}.

$$\frac{140}{19}=1+45\times \frac{1}{1000}\left(T-200\right)$$

Lluosi 45 a \frac{1}{1000} i gael \frac{9}{200}.

$$\frac{140}{19}=1+\frac{9}{200}\left(T-200\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi \frac{9}{200} â T-200.

$$\frac{140}{19}=1+\frac{9}{200}T-9$$

Tynnu 9 o 1 i gael -8.

$$\frac{140}{19}=-8+\frac{9}{200}T$$

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

$$-8+\frac{9}{200}T=\frac{140}{19}$$

Ychwanegu 8 at y ddwy ochr.

$$\frac{9}{200}T=\frac{140}{19}+8$$

Adio \frac{140}{19} a 8 i gael \frac{292}{19}.

$$\frac{9}{200}T=\frac{292}{19}$$

Lluoswch y ddwy ochr â \frac{200}{9}, cilyddol \frac{9}{200}.

$$T=\frac{292}{19}\times \frac{200}{9}$$

Lluosi \frac{292}{19} a \frac{200}{9} i gael \frac{58400}{171}.

$$T=\frac{58400}{171}$$