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Qd = Qs
100-2p = p-20
100+20 = p+2p
120 = 3p
40 = p
Qs = p-20
= 40-20
= 20
Jadi EP = {Q,P} = {20,40}
artinya barang yang diminta 20 dengan harga 40
*tandai sebagai jawaban terbaik ya. tolong.
terimakasih :)