Tīpoka ki ngā ihirangi matua
Whakaoti mō t
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Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

t=7x+5-3x
Tangohia te 3x mai i ngā taha e rua.
t=4x+5
Pahekotia te 7x me -3x, ka 4x.
t+3x-7x=5
Tangohia te 7x mai i ngā taha e rua.
t-4x=5
Pahekotia te 3x me -7x, ka -4x.
-4x=5-t
Tangohia te t mai i ngā taha e rua.
\frac{-4x}{-4}=\frac{5-t}{-4}
Whakawehea ngā taha e rua ki te -4.
x=\frac{5-t}{-4}
Mā te whakawehe ki te -4 ka wetekia te whakareanga ki te -4.
x=\frac{t-5}{4}
Whakawehe 5-t ki te -4.