2x + 5y=17 dan 4x -3y=19
Matematika
ahmad934
Pertanyaan
2x + 5y=17 dan 4x -3y=19
1 Jawaban
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1. Jawaban IrpBuri
2x + 5y=17
4x -3y=19
Pers 1 dikali 2
4x + 10y=34
4x -3y=19
_________ -
13 y = 15
y = 15/13
Substitusikan
2x + 5y = 17
2x + 75/13 = 17
2x = 146/13
x = 73/13
HP = {(73/13, 15/13)}