Whakaoti mō x
x = -\frac{38}{7} = -5\frac{3}{7} \approx -5.428571429
Graph
Tohaina
Kua tāruatia ki te papatopenga
-7x=40-2
Tangohia te 2 mai i ngā taha e rua.
-7x=38
Tangohia te 2 i te 40, ka 38.
x=\frac{38}{-7}
Whakawehea ngā taha e rua ki te -7.
x=-\frac{38}{7}
Ka taea te hautanga \frac{38}{-7} te tuhi anō ko -\frac{38}{7} mā te tango i te tohu tōraro.
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