Whakaoti mō x
x=9
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-27+2\left(x+8\right)=4x-2
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x-9.
3x-27+2x+16=4x-2
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+8.
5x-27+16=4x-2
Pahekotia te 3x me 2x, ka 5x.
5x-11=4x-2
Tāpirihia te -27 ki te 16, ka -11.
5x-11-4x=-2
Tangohia te 4x mai i ngā taha e rua.
x-11=-2
Pahekotia te 5x me -4x, ka x.
x=-2+11
Me tāpiri te 11 ki ngā taha e rua.
x=9
Tāpirihia te -2 ki te 11, ka 9.
Ngā Tauira
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
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