Jawabanmu

2014-08-17T17:32:37+07:00
1/2* 2^x + 3*3^y = 11
4*2^x + 1/3*3^y = 15

2^x + 6*3^y = 22
12*2^x + 3^y = 45

misal 2^x = a dan 3^y= b

a+6b=22
12a+b=45
eliminasi kemudian di peroleh