Kulolu shicilelo, sizobheka ukuthi iyini i-equation, nokuthi kusho ukuthini ukuyixazulula. Ulwazi lwethiyori olwethulwa luhambisana nezibonelo ezingokoqobo zokuqonda kangcono.
Incazelo yesibalo
Isibalo ngu-, equkethe inombolo engaziwa ezotholwa.
Le nombolo ivamise ukuchazwa ngohlamvu oluncane lwesiLatini (imvamisa - x, y or z) futhi uyabizwa okuguquguqukayo zibalo.
Ngamanye amazwi, ukulingana isibalo kuphela uma iqukethe uhlamvu ofuna ukubala inani lalo.
Izibonelo zezibalo ezilula (okukodwa okungaziwa kanye nokusebenza kwe-arithmetic eyodwa):
- x + 3 = 5
- futhi - 2 = 12
- z + 10 = 41
Ezibalweni eziyinkimbinkimbi kakhulu, okuguquguqukayo kungase kwenzeke izikhathi ezimbalwa, futhi kungase kuhlanganise abakaki nokusebenza kwezibalo okuyinkimbinkimbi. Ngokwesibonelo:
- 2x + 4 – x = 10
- 3 (y – 2) + 4y = 15
- x2 + 5 = 9
Futhi, kungaba khona okuguquguqukayo okuningana ku-equation, isibonelo:
- x + 2y = 14
- (2x – y) 2 + 5z = 22
Umsuka we-equation
Ake sithi sinezibalo
Iphenduka ibe ukulingana kweqiniso uma
Xazulula isibalo - lokhu kusho ukuthola impande noma izimpande zayo (kuye ngokuthi inani lezinto eziguquguqukayo), noma ukufakazela ukuthi azikho.
Ngokuvamile, impande ibhalwa kanje:
amanothi:
1. Ezinye izibalo zingase zingaxazululeki.
Ngokwesibonelo:
2. Ezinye izibalo zinenani elingapheli lezimpande.
Ngokwesibonelo:
Izibalo Ezilinganayo
Izibalo ezinezimpande ezifanayo zibizwa kufana ne.
Ngokwesibonelo:
Izinguquko eziyisisekelo ezilinganayo zezibalo:
1. Ukudluliswa kwegama elithile ukusuka kwenye ingxenye yezibalo ukuya kwenye ngoshintsho kuphawu lwalo ukuya kokuphambene.
Ngokwesibonelo: 3x + 7 = 5 kufana ne
2. Ukuphindaphinda / ukuhlukaniswa kwazo zombili izingxenye zesibalo ngenombolo efanayo, engalingani noziro.
Ngokwesibonelo: 4x - 7 = 17 kufana ne
I-equation nayo ayishintshi uma inombolo efanayo yengezwa/ikhishwa nhlangothi zombili.
3. Ukwehliswa kwamagama afanayo.
Ngokwesibonelo: 2x + 5x – 6 + 2 = 14 kufana ne