x + 8÷7+x − 1÷3
=x÷2
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x+8÷7+x-1÷3=x ÷2
=>x+8×1|7-1×1|3=x×1|2
=>x+8|7-1|3=x|2
=>x+(24-7)/21=x|24
=>x+(17|21)=x|24
=>x×x=24-17|21
=>x2=(504-17)|21
=>x2=487|21
=>x2=23.109761 and more
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