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1/3y =15
y =15.3
y =45
2. 3/4x-1/5x=2
15/20x-4/20x=2
11/20x =2
x =40/11
3. p/2-p/7=-10
7p/14-2p/14=-10
5p/14 =-140
5p =-140
p = -28
no 4-10 caranya tidak jauh berbeda seperti itu.