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Solve the following system of equations using the substitution method: 2x + 5y = 38 and 3x + 4y = 48.
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4 stepsIli kutatua mfumo wa milinganyo kwa kutumia njia ya kubadilisha (substitution method), tutafuata hatua zifuatazo:
Milinganyo iliyotolewa ni:
Tenga kigezo kimoja kutoka kwa mlinganyo mmoja.
Tutatenga kutoka mlinganyo wa kwanza:
Badilisha usemi huu wa katika mlinganyo wa pili.
Tatua mlinganyo unaotokana kwa .
Kuzidisha pande zote mbili za mlinganyo kwa 2 ili kuondoa sehemu:
Badilisha thamani ya uliyopata katika usemi wa kutoka Hatua ya 1.
Ili kurahisisha nambari, tunapata denominator ya kawaida:
Rahisisha sehemu kwa kugawanya nambari na denominator kwa 2:
Kwa hiyo, suluhisho la mfumo wa milinganyo ni:
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