Whakaoti mō x
x=32
Graph
Tohaina
Kua tāruatia ki te papatopenga
1.5x+3=x+19
Whakamahia te āhuatanga tohatoha hei whakarea te 0.75 ki te 2x+4.
1.5x+3-x=19
Tangohia te x mai i ngā taha e rua.
0.5x+3=19
Pahekotia te 1.5x me -x, ka 0.5x.
0.5x=19-3
Tangohia te 3 mai i ngā taha e rua.
0.5x=16
Tangohia te 3 i te 19, ka 16.
x=\frac{16}{0.5}
Whakawehea ngā taha e rua ki te 0.5.
x=\frac{160}{5}
Whakarohaina te \frac{16}{0.5} mā te whakarea i te taurunga me te tauraro ki te 10.
x=32
Whakawehea te 160 ki te 5, kia riro ko 32.
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