Whakaoti mō x
x = \frac{5}{2} = 2\frac{1}{2} = 2.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x+10=3x+15
Ko te tauaro o -15 ko 15.
5x+10-3x=15
Tangohia te 3x mai i ngā taha e rua.
2x+10=15
Pahekotia te 5x me -3x, ka 2x.
2x=15-10
Tangohia te 10 mai i ngā taha e rua.
2x=5
Tangohia te 10 i te 15, ka 5.
x=\frac{5}{2}
Whakawehea ngā taha e rua ki te 2.
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