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1/2(5*p+1-30)-1/3(1+7*p+1) =1/4
1/5(5p+1)-1/3(1+7p+1)=1/4
1(p+1-30)-1/3(7p+1)=1/4
1p+2-30-7p/3+2/1=1/4
1p-28-7p/4+2/1=1/4
1p-28+1(7p)/3+3(2)/3=1/4
1p-7p-28+6/3
6p-22/3
2p-22=1/4
2p=1/4+22
2p=23/4
p=23/4*1/2
p=23/8
1/5(5p+1)-1/3(1+7p+1)=1/4
1(p+1-30)-1/3(7p+1)=1/4
1p+2-30-7p/3+2/1=1/4
1p-28-7p/4+2/1=1/4
1p-28+1(7p)/3+3(2)/3=1/4
1p-7p-28+6/3
6p-22/3
2p-22=1/4
2p=1/4+22
2p=23/4
p=23/4*1/2
p=23/8
dibya14:
wrong
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