Datrys [35Y_{3}+(-9Y_{3})-25Y]-(+2XY-3Y_{3}-5Y)=-20385D_{0}

$$[ 35 Y _ { 3 } + ( - 9 Y _ { 3 } ) - 25 Y ] - ( + 2 X Y - 3 Y _ { 3 } - 5 Y ) = - 20385 D _ { 0 }$$

Datrys ar gyfer D_0

$$D_{0}=\frac{2XY}{20385}+\frac{4Y}{4077}-\frac{29Y_{3}}{20385}$$

Camau ar gyfer Datrys Hafaliad Llinol

Cyfuno 35Y_{3} a -9Y_{3} i gael 26Y_{3}.

$$26Y_{3}-25Y-\left(2XY-3Y_{3}-5Y\right)=-20385D_{0}$$

I ddod o hyd i wrthwyneb 2XY-3Y_{3}-5Y, dewch o hyd i wrthwyneb pob term.

$$26Y_{3}-25Y-2XY+3Y_{3}+5Y=-20385D_{0}$$

Cyfuno 26Y_{3} a 3Y_{3} i gael 29Y_{3}.

$$29Y_{3}-25Y-2XY+5Y=-20385D_{0}$$

Cyfuno -25Y a 5Y i gael -20Y.

$$29Y_{3}-20Y-2XY=-20385D_{0}$$

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

$$-20385D_{0}=29Y_{3}-20Y-2XY$$

Rhannu’r ddwy ochr â -20385.

$$\frac{-20385D_{0}}{-20385}=\frac{29Y_{3}-20Y-2XY}{-20385}$$

Mae rhannu â -20385 yn dad-wneud lluosi â -20385.

$$D_{0}=\frac{29Y_{3}-20Y-2XY}{-20385}$$

Rhannwch 29Y_{3}-20Y-2XY â -20385.

$$D_{0}=\frac{2XY}{20385}+\frac{4Y}{4077}-\frac{29Y_{3}}{20385}$$

Datrys ar gyfer X

$$\left\{\begin{matrix}X=-\frac{-20385D_{0}+20Y-29Y_{3}}{2Y}\text{, }&Y\neq 0\\X\in \mathrm{R}\text{, }&Y_{3}=-\frac{20385D_{0}}{29}\text{ and }Y=0\end{matrix}\right.$$

Camau ar gyfer Datrys Hafaliad Llinol

Cyfuno 35Y_{3} a -9Y_{3} i gael 26Y_{3}.

$$26Y_{3}-25Y-\left(2XY-3Y_{3}-5Y\right)=-20385D_{0}$$

I ddod o hyd i wrthwyneb 2XY-3Y_{3}-5Y, dewch o hyd i wrthwyneb pob term.

$$26Y_{3}-25Y-2XY+3Y_{3}+5Y=-20385D_{0}$$

Cyfuno 26Y_{3} a 3Y_{3} i gael 29Y_{3}.

$$29Y_{3}-25Y-2XY+5Y=-20385D_{0}$$

Cyfuno -25Y a 5Y i gael -20Y.

$$29Y_{3}-20Y-2XY=-20385D_{0}$$

Tynnu 29Y_{3} o'r ddwy ochr.

$$-20Y-2XY=-20385D_{0}-29Y_{3}$$

Ychwanegu 20Y at y ddwy ochr.

$$-2XY=-20385D_{0}-29Y_{3}+20Y$$

Mae'r hafaliad yn y ffurf safonol.

$$\left(-2Y\right)X=-20385D_{0}+20Y-29Y_{3}$$

Rhannu’r ddwy ochr â -2Y.

$$\frac{\left(-2Y\right)X}{-2Y}=\frac{-20385D_{0}+20Y-29Y_{3}}{-2Y}$$

Mae rhannu â -2Y yn dad-wneud lluosi â -2Y.

$$X=\frac{-20385D_{0}+20Y-29Y_{3}}{-2Y}$$

Rhannwch -20385D_{0}-29Y_{3}+20Y â -2Y.

$$X=-\frac{-20385D_{0}+20Y-29Y_{3}}{2Y}$$