Whakaoti mō x
x=\frac{13}{28}\approx 0.464285714
Graph
Tohaina
Kua tāruatia ki te papatopenga
x=\frac{3}{4}-\frac{2}{7}
Tangohia te \frac{2}{7} mai i ngā taha e rua.
x=\frac{21}{28}-\frac{8}{28}
Ko te maha noa iti rawa atu o 4 me 7 ko 28. Me tahuri \frac{3}{4} me \frac{2}{7} ki te hautau me te tautūnga 28.
x=\frac{21-8}{28}
Tā te mea he rite te tauraro o \frac{21}{28} me \frac{8}{28}, me tango rāua mā te tango i ō raua taurunga.
x=\frac{13}{28}
Tangohia te 8 i te 21, ka 13.
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