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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

0.8x+5=0
Whakareatia te 2 ki te 0.4, ka 0.8.
0.8x=-5
Tangohia te 5 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=\frac{-5}{0.8}
Whakawehea ngā taha e rua ki te 0.8.
x=\frac{-50}{8}
Whakarohaina te \frac{-5}{0.8} mā te whakarea i te taurunga me te tauraro ki te 10.
x=-\frac{25}{4}
Whakahekea te hautanga \frac{-50}{8} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.