x+6+6+7=789 ? x=?
\(x+6+6+7=789\)
\(x+\left(6+6+7\right)=789\)
\(x+19=789\)
\(x=789-19\)
\(x=770\)
x + 6 + 6 + 7 = 789
x + 19 = 789
x = 789 - 19
x = 770
Choose the excessive word in the sentence below.