Whakaoti mō x
x=-\frac{2}{7}\approx -0.285714286
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x=-2
Pahekotia te 2x me 5x, ka 7x.
x=\frac{-2}{7}
Whakawehea ngā taha e rua ki te 7.
x=-\frac{2}{7}
Ka taea te hautanga \frac{-2}{7} te tuhi anō ko -\frac{2}{7} mā te tango i te tohu tōraro.
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