Whakaoti mō x
x=21
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{5}{3}x-2x=-7
Tangohia te 2x mai i ngā taha e rua.
-\frac{1}{3}x=-7
Pahekotia te \frac{5}{3}x me -2x, ka -\frac{1}{3}x.
x=-7\left(-3\right)
Me whakarea ngā taha e rua ki te -3, te tau utu o -\frac{1}{3}.
x=21
Whakareatia te -7 ki te -3, ka 21.
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