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208:[112-(64-3xX)x4:23]=2

Răspuns :

208÷[112-(64-3×X)×4÷23=2 ⇒112-(64-3X)×4÷23=208÷2⇒(64-3X)×4÷23=112-104⇒(64-3X)·4=8·23⇒(64-3X)·4=184⇒64-3X=184÷4⇒64-3X=46⇒3X=64-46⇒3X=18⇒x=18÷3⇒X=6       

208
÷[112-(64-3×6)×4÷23=2