Whakaoti mō x
x=7
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x-2+3\left(x+1\right)=4\left(x+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x-1.
2x-2+3x+3=4\left(x+2\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x+1.
5x-2+3=4\left(x+2\right)
Pahekotia te 2x me 3x, ka 5x.
5x+1=4\left(x+2\right)
Tāpirihia te -2 ki te 3, ka 1.
5x+1=4x+8
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te x+2.
5x+1-4x=8
Tangohia te 4x mai i ngā taha e rua.
x+1=8
Pahekotia te 5x me -4x, ka x.
x=8-1
Tangohia te 1 mai i ngā taha e rua.
x=7
Tangohia te 1 i te 8, ka 7.
Ngā Tauira
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whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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