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Whakaoti mō x, y, z
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Tohaina

x=-y+z+2
Me whakaoti te x+y-z=2 mō x.
-\left(-y+z+2\right)+2y+3z=-1 -y+z+2-4y-2z=-7
Whakakapia te -y+z+2 mō te x i te whārite tuarua me te tuatoru.
y=-\frac{2}{3}z+\frac{1}{3} z=-5y+9
Me whakaoti ēnei whārite mō y me z takitahi.
z=-5\left(-\frac{2}{3}z+\frac{1}{3}\right)+9
Whakakapia te -\frac{2}{3}z+\frac{1}{3} mō te y i te whārite z=-5y+9.
z=-\frac{22}{7}
Me whakaoti te z=-5\left(-\frac{2}{3}z+\frac{1}{3}\right)+9 mō z.
y=-\frac{2}{3}\left(-\frac{22}{7}\right)+\frac{1}{3}
Whakakapia te -\frac{22}{7} mō te z i te whārite y=-\frac{2}{3}z+\frac{1}{3}.
y=\frac{17}{7}
Tātaitia te y i te y=-\frac{2}{3}\left(-\frac{22}{7}\right)+\frac{1}{3}.
x=-\frac{17}{7}-\frac{22}{7}+2
Whakakapia te \frac{17}{7} mō te y me te -\frac{22}{7} mō z i te whārite x=-y+z+2.
x=-\frac{25}{7}
Tātaitia te x i te x=-\frac{17}{7}-\frac{22}{7}+2.
x=-\frac{25}{7} y=\frac{17}{7} z=-\frac{22}{7}
Kua oti te pūnaha te whakatau.