Răspuns :
700+145-(368:c+3x59)=660 845-(368:c+177)=660 368:c+177=845-660⇒185 368:c=185-177 368:c=8⇔c=368:8⇔c=46
[tex]700+435:3-[368:c+3*(22+13+24)]=660\\
700+145-(368:c+3*59)=660\\
845-(368:c+177)=660\\
368:c+177=845-660\\
368:c+177=185\\
368:c=185-177\\
368:c=8\\
c=368:8\\
\boxed{c=46}[/tex]