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------------------------*15
10(3+x)=3(x-2)+60
30+10x=3x-6+60
10x-3x=-6+60-30
7x=24
x=24/7
=> 2+2/3x= 1/5x-2/5 + 4 (dikali 15 semua)
=> 30 + 10x = 3x - 6 + 60
=> 10x - 3x = -6 + 60 - 30
=> x = 24/7
maaf kalo salah