Whakaoti mō x
x=20
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-30=2x-10
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x-10.
3x-30-2x=-10
Tangohia te 2x mai i ngā taha e rua.
x-30=-10
Pahekotia te 3x me -2x, ka x.
x=-10+30
Me tāpiri te 30 ki ngā taha e rua.
x=20
Tāpirihia te -10 ki te 30, ka 20.
Ngā Tauira
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