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Question Number 50257 by Raj Singh last updated on 15/Dec/18

Answered by tanmay.chaudhury50@gmail.com last updated on 15/Dec/18

a+d=8  a+b=13  b−c=6  c+d=8  b+d=14  2a+b+d=21  2a=7  a=3.5  d=4.5  b=9.5  c=3.5

$${a}+{d}=\mathrm{8} \\ $$$${a}+{b}=\mathrm{13} \\ $$$${b}−{c}=\mathrm{6} \\ $$$${c}+{d}=\mathrm{8} \\ $$$${b}+{d}=\mathrm{14} \\ $$$$\mathrm{2}{a}+{b}+{d}=\mathrm{21} \\ $$$$\mathrm{2}{a}=\mathrm{7}\:\:{a}=\mathrm{3}.\mathrm{5} \\ $$$${d}=\mathrm{4}.\mathrm{5} \\ $$$${b}=\mathrm{9}.\mathrm{5} \\ $$$${c}=\mathrm{3}.\mathrm{5} \\ $$$$ \\ $$$$ \\ $$

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