Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

5x+2x>-7
Me tāpiri te 2x ki ngā taha e rua.
7x>-7
Pahekotia te 5x me 2x, ka 7x.
x>\frac{-7}{7}
Whakawehea ngā taha e rua ki te 7. I te mea he tōrunga te 7, kāore e huri te ahunga koreōrite.
x>-1
Whakawehea te -7 ki te 7, kia riro ko -1.