Whakaoti mō x
x = -\frac{45}{2} = -22\frac{1}{2} = -22.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
1250+15x-25x=1475
Tangohia te 25x mai i ngā taha e rua.
1250-10x=1475
Pahekotia te 15x me -25x, ka -10x.
-10x=1475-1250
Tangohia te 1250 mai i ngā taha e rua.
-10x=225
Tangohia te 1250 i te 1475, ka 225.
x=\frac{225}{-10}
Whakawehea ngā taha e rua ki te -10.
x=-\frac{45}{2}
Whakahekea te hautanga \frac{225}{-10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.
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