Whakaoti mō x
x=3
Graph
Tohaina
Kua tāruatia ki te papatopenga
-x-\left(-10\right)=7
Hei kimi i te tauaro o x-10, kimihia te tauaro o ia taurangi.
-x+10=7
Ko te tauaro o -10 ko 10.
-x=7-10
Tangohia te 10 mai i ngā taha e rua.
-x=-3
Tangohia te 10 i te 7, ka -3.
x=3
Me whakarea ngā taha e rua ki te -1.
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