解:8x+2×5=42
8x+2-2×5=42-2
8x×5=40
8x×5÷5=40÷5
8x=8
8x÷8=8÷8
x=1
As is known to all, _______ opening ceremony of the 16th Asian Games held on November 12th in Guangzhou was _______ great success.