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Whakaoti mō x
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Tohaina

7x-77-3x=-53
Whakamahia te āhuatanga tohatoha hei whakarea te 7 ki te x-11.
4x-77=-53
Pahekotia te 7x me -3x, ka 4x.
4x=-53+77
Me tāpiri te 77 ki ngā taha e rua.
4x=24
Tāpirihia te -53 ki te 77, ka 24.
x=\frac{24}{4}
Whakawehea ngā taha e rua ki te 4.
x=6
Whakawehea te 24 ki te 4, kia riro ko 6.