Whakaoti mō x
x = \frac{15}{2} = 7\frac{1}{2} = 7.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
75x-90=27x+270
Whakamahia te āhuatanga tohatoha hei whakarea te 27 ki te x+10.
75x-90-27x=270
Tangohia te 27x mai i ngā taha e rua.
48x-90=270
Pahekotia te 75x me -27x, ka 48x.
48x=270+90
Me tāpiri te 90 ki ngā taha e rua.
48x=360
Tāpirihia te 270 ki te 90, ka 360.
x=\frac{360}{48}
Whakawehea ngā taha e rua ki te 48.
x=\frac{15}{2}
Whakahekea te hautanga \frac{360}{48} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 24.
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