Whakaoti mō x
x=69
Graph
Pātaitai
Linear Equation
(180-x)-x=42
Tohaina
Kua tāruatia ki te papatopenga
180-2x=42
Pahekotia te -x me -x, ka -2x.
-2x=42-180
Tangohia te 180 mai i ngā taha e rua.
-2x=-138
Tangohia te 180 i te 42, ka -138.
x=\frac{-138}{-2}
Whakawehea ngā taha e rua ki te -2.
x=69
Whakawehea te -138 ki te -2, kia riro ko 69.
Ngā Tauira
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