Whakaoti mō x
x=30
Graph
Tohaina
Kua tāruatia ki te papatopenga
9x-32=8x-2
Tangohia te 7 i te -25, ka -32.
9x-32-8x=-2
Tangohia te 8x mai i ngā taha e rua.
x-32=-2
Pahekotia te 9x me -8x, ka x.
x=-2+32
Me tāpiri te 32 ki ngā taha e rua.
x=30
Tāpirihia te -2 ki te 32, ka 30.
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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