[tex]\displaystyle \text{The problem is:\ 10(x + 7) - 17=? if x=6} \\ \\ \text{So, firstly replace x with 6 :)} \\ \\ \text{New equation is: 10(6+7)-17=?} \\ \\ \text{Bon, now, we calculate the parenthesis} \\ \\ 10 \cdot13-17=? \\ \\ \text{Order of operation, firstly multiply.} \\ \\ 130-17=? \\ \\ \text{Now, all is clear } \\ \\ 130-17= \boxed{ \boxed{\bold{113}}}[/tex]
