Whakaoti mō x
x=-8
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+6=9x+62
Pahekotia te 13x me -4x, ka 9x.
2x+6-9x=62
Tangohia te 9x mai i ngā taha e rua.
-7x+6=62
Pahekotia te 2x me -9x, ka -7x.
-7x=62-6
Tangohia te 6 mai i ngā taha e rua.
-7x=56
Tangohia te 6 i te 62, ka 56.
x=\frac{56}{-7}
Whakawehea ngā taha e rua ki te -7.
x=-8
Whakawehea te 56 ki te -7, kia riro ko -8.
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