Whakaoti mō x
x=-\frac{7}{10}=-0.7
Graph
Tohaina
Kua tāruatia ki te papatopenga
13x+6=3x-1
Pahekotia te 5x me 8x, ka 13x.
13x+6-3x=-1
Tangohia te 3x mai i ngā taha e rua.
10x+6=-1
Pahekotia te 13x me -3x, ka 10x.
10x=-1-6
Tangohia te 6 mai i ngā taha e rua.
10x=-7
Tangohia te 6 i te -1, ka -7.
x=\frac{-7}{10}
Whakawehea ngā taha e rua ki te 10.
x=-\frac{7}{10}
Ka taea te hautanga \frac{-7}{10} te tuhi anō ko -\frac{7}{10} mā te tango i te tohu tōraro.
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