Whakaoti mō x
x=-4
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-2x-\left(-7\right)=3
Hei kimi i te tauaro o 2x-7, kimihia te tauaro o ia taurangi.
3x-2x+7=3
Ko te tauaro o -7 ko 7.
x+7=3
Pahekotia te 3x me -2x, ka x.
x=3-7
Tangohia te 7 mai i ngā taha e rua.
x=-4
Tangohia te 7 i te 3, ka -4.
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