101 Ready To Use Microsoft Excel Macros: MyExcelOnline.com (101 Microsoft Excel Series)

101 Ready To Use Microsoft Excel Macros: MyExcelOnline.com (101 Microsoft Excel Series)

Matematika Himpunan penyelesaian dari sistem persamaan 2x - 3y = 1 dan x - 2y = 0 adalah…​

Himpunan penyelesaian dari sistem persamaan 2x - 3y = 1 dan x - 2y = 0 adalah…​

Jawaban:

HP = {2 , 1}

Penjelasan dengan langkah-langkah:

Metode substitusi

2x - 3y = 1 (pers. 1)

x - 2y = 0 –> x = 2y (pers. 2)

substitusi pers. 2 ke pers. 1

2x - 3y = 1

2(2y) - 3y = 1

4y - 3y = 1

y = 1

substitusi nilai y ke pers. 2

x = 2y

x = 2 × 1

x = 2

HP = {2 , 1}

Jawaban:

HP = {2 , 1}

Penjelasan dengan langkah-langkah:

Metode Eliminasi

2x - 3y = 1 (pers. 1)

x - 2y = 0 (pers. 2)

eliminasi variabel x

2x - 3y = 1 | × 1 2x - 3y = 1

x - 2y = 0 | × 2 | 2x - 4y = 0 (-)

........................................y = 1

substitusi nilai y ke pers. 2

x - 2y = 0

x = 2y

x = 2(1)

x = 2

HP = {2 , 1}

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