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=
maka p =
=
maka r =
masukkan ke soal,
=
= x
maka =
r/p = 8/5
2. (2x+3y) : (3x-5y) = (2(3n)+3(4n)) : (3(3n)-5(4n))
(6n+12n) : (9n-20n) = 18n : -11n = 18/(-11)