Question Number 190095 by mnjuly1970 last updated on 27/Mar/23
Answered by mr W last updated on 27/Mar/23
Commented by mr W last updated on 27/Mar/23
$${A}+{B}\equiv{B}+{C} \\ $$$$\Rightarrow{A}={C} \\ $$$${B}+{C}+{E}={A}+{D}=\frac{{square}}{\mathrm{2}} \\ $$$$\Rightarrow{B}+{E}={D}=\frac{\mathrm{4}×\mathrm{5}}{\mathrm{2}}=\mathrm{10}\:\checkmark \\ $$
Commented by mnjuly1970 last updated on 27/Mar/23
$${merey}\:{sir}\:{W} \\ $$