Nilai x yang memenuhi siku persamaan
2^(3x-2y)=1/28
x+2y =3
adalah...
2^(3x-2y)=1/28
x+2y =3
adalah...
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2y= 3-x
sub ke 2^(3x - 2y) = 1/28
2^{ 3x - 2y)} = 1/(28)
2^(3x-(3-x)} = 1/(28)
2^(3x + x - 3) = 1/(28)
2^(4x -3) = 1/28
(4x - 3). log 2 = 1/28
4x - 3 = ²log 28⁻¹
4x = ²log 28⁻¹ + 3
x = 1/4 . ²log 28⁻¹ + 3/4