Whakaoti mō x
x = \frac{27}{10} = 2\frac{7}{10} = 2.7
Graph
Tohaina
Kua tāruatia ki te papatopenga
12x-15-2x=12
Tangohia te 2x mai i ngā taha e rua.
10x-15=12
Pahekotia te 12x me -2x, ka 10x.
10x=12+15
Me tāpiri te 15 ki ngā taha e rua.
10x=27
Tāpirihia te 12 ki te 15, ka 27.
x=\frac{27}{10}
Whakawehea ngā taha e rua ki te 10.
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