Whakaoti mō x
x\leq \frac{11}{2}
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Tohaina
Kua tāruatia ki te papatopenga
x-3\leq \frac{5}{2}
Whakawehea ngā taha e rua ki te 2. I te mea he tōrunga te 2, kāore e huri te ahunga koreōrite.
x\leq \frac{5}{2}+3
Me tāpiri te 3 ki ngā taha e rua.
x\leq \frac{5}{2}+\frac{6}{2}
Me tahuri te 3 ki te hautau \frac{6}{2}.
x\leq \frac{5+6}{2}
Tā te mea he rite te tauraro o \frac{5}{2} me \frac{6}{2}, me tāpiri rāua mā te tāpiri i ō raua taurunga.
x\leq \frac{11}{2}
Tāpirihia te 5 ki te 6, ka 11.
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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