Selesaikan sistem persamaan berikut
3^x+y = 243
2^2x+5y = 8
3^x+y = 243
2^2x+5y = 8
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3^x+y = 3^5
x+y = 5 .....(i)
2^2x+5y = 8
2^2x+5y = 2^3
2x+5y = 3 ..... (ii)
persamaan (i) dikali 5
=> 5x+5y = 25
=> 2x+5y = 3
eliminasi => 3x= 22
x= 7,33
.. x+y = 5
7,33+y = 5
y= -2,33
2^2x+5y = 8
3^x+y = 243
3^x+y = 3^5
x+y = 5 .....(i)
2^2x+5y = 8
2^2x+5y = 2^3
2x+5y = 3 ..... (ii)
persamaan (i) dikali 5
=> 5x+5y = 25
=> 2x+5y = 3
eliminasi => 3x= 22
x= 7,33
.. x+y = 5
7,33+y = 5
y= -2,33