Whakaoti mō x
x=-2
Graph
Tohaina
Kua tāruatia ki te papatopenga
32x-10-7x=-60
Tangohia te 7x mai i ngā taha e rua.
25x-10=-60
Pahekotia te 32x me -7x, ka 25x.
25x=-60+10
Me tāpiri te 10 ki ngā taha e rua.
25x=-50
Tāpirihia te -60 ki te 10, ka -50.
x=\frac{-50}{25}
Whakawehea ngā taha e rua ki te 25.
x=-2
Whakawehea te -50 ki te 25, kia riro ko -2.
Ngā Tauira
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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]
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