Whakaoti mō x
x=311
Graph
Tohaina
Kua tāruatia ki te papatopenga
-13+\sqrt{2x+3}=12
Pahekotia te x me x, ka 2x.
\sqrt{2x+3}=12+13
Me tāpiri te 13 ki ngā taha e rua.
\sqrt{2x+3}=25
Tāpirihia te 12 ki te 13, ka 25.
2x+3=625
Pūruatia ngā taha e rua o te whārite.
2x+3-3=625-3
Me tango 3 mai i ngā taha e rua o te whārite.
2x=625-3
Mā te tango i te 3 i a ia ake anō ka toe ko te 0.
2x=622
Tango 3 mai i 625.
\frac{2x}{2}=\frac{622}{2}
Whakawehea ngā taha e rua ki te 2.
x=\frac{622}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
x=311
Whakawehe 622 ki te 2.
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