Whakaoti mō x
x=-7
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+5+8+x=2x+6
Pahekotia te 3x me -x, ka 2x.
2x+13+x=2x+6
Tāpirihia te 5 ki te 8, ka 13.
3x+13=2x+6
Pahekotia te 2x me x, ka 3x.
3x+13-2x=6
Tangohia te 2x mai i ngā taha e rua.
x+13=6
Pahekotia te 3x me -2x, ka x.
x=6-13
Tangohia te 13 mai i ngā taha e rua.
x=-7
Tangohia te 13 i te 6, ka -7.
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