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Question Number 47447 by peter frank last updated on 10/Nov/18

Answered by .... last updated on 10/Nov/18

turtle+170=table+cat......(1)  cat+130=table+turtle.....(2)  from..(1)⇒turtle=table+cat−170....(3)  using (3) in (2)...  cat+130=table+table+cat−170  ⇒2(table)=300⇒table=150

$$\mathrm{turtle}+\mathrm{170}=\mathrm{table}+\mathrm{cat}......\left(\mathrm{1}\right) \\ $$$$\mathrm{cat}+\mathrm{130}=\mathrm{table}+\mathrm{turtle}.....\left(\mathrm{2}\right) \\ $$$$\mathrm{from}..\left(\mathrm{1}\right)\Rightarrow\mathrm{turtle}=\mathrm{table}+\mathrm{cat}−\mathrm{170}....\left(\mathrm{3}\right) \\ $$$$\mathrm{using}\:\left(\mathrm{3}\right)\:\mathrm{in}\:\left(\mathrm{2}\right)... \\ $$$$\mathrm{cat}+\mathrm{130}=\mathrm{table}+\mathrm{table}+\mathrm{cat}−\mathrm{170} \\ $$$$\Rightarrow\mathrm{2}\left(\mathrm{table}\right)=\mathrm{300}\Rightarrow\mathrm{table}=\mathrm{150} \\ $$$$\: \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

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