Tentukan hasil alminasi 6x-y=33 x+5y=-10

Jawaban:

(6x-y=33 )(×5)

(x+5y=-10)(×1)

30x-5y=165

x+5y=-10

____________+

31x=155

x=155/31

x+5y=-10

155/31+5y=-10

5y=-10-155/31

5y=(-310-155)/31

5y=-465/31

y=-465/31(5)

y=-465/155 nilai asli

y=-93/31 nilai penyederhanaan