Whakaoti mō x
x = -\frac{20}{7} = -2\frac{6}{7} \approx -2.857142857
Graph
Tohaina
Kua tāruatia ki te papatopenga
-7x=28-8
Tangohia te 8 mai i ngā taha e rua.
-7x=20
Tangohia te 8 i te 28, ka 20.
x=\frac{20}{-7}
Whakawehea ngā taha e rua ki te -7.
x=-\frac{20}{7}
Ka taea te hautanga \frac{20}{-7} te tuhi anō ko -\frac{20}{7} mā te tango i te tohu tōraro.
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