Whakaoti mō x
x=\frac{y-1}{4}
Whakaoti mō y
y=4x+1
Graph
Tohaina
Kua tāruatia ki te papatopenga
x+2y-5x=y+1
Tangohia te 5x mai i ngā taha e rua.
-4x+2y=y+1
Pahekotia te x me -5x, ka -4x.
-4x=y+1-2y
Tangohia te 2y mai i ngā taha e rua.
-4x=-y+1
Pahekotia te y me -2y, ka -y.
-4x=1-y
He hanga arowhānui tō te whārite.
\frac{-4x}{-4}=\frac{1-y}{-4}
Whakawehea ngā taha e rua ki te -4.
x=\frac{1-y}{-4}
Mā te whakawehe ki te -4 ka wetekia te whakareanga ki te -4.
x=\frac{y-1}{4}
Whakawehe -y+1 ki te -4.
x+2y-y=5x+1
Tangohia te y mai i ngā taha e rua.
x+y=5x+1
Pahekotia te 2y me -y, ka y.
y=5x+1-x
Tangohia te x mai i ngā taha e rua.
y=4x+1
Pahekotia te 5x me -x, ka 4x.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
whārite Simultaneous
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Whakarerekētanga
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Ngā Tepe
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