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Solutia ecuatiei:1+{2*[3+(4+x):5]-6}-7=8

Răspuns :

1+{2*[3+(4+x):5}-6}=8/+7 1+{2•[3+(4+x):5]-6=15/+6=21 1+2•3+(4+x):5=21/•5=103 1+2•3+(4+x)=103/:3=35 1+2+(4+x)=35-2=33 1+(4+x)=33/-1=32 4+x=32 x=32-4 x=28