Let x be the price of movie ticket. The ticket price after use off coupon is,
[tex]x-2[/tex]The price of six friends ticket is,
[tex]6(x-2)[/tex]The total money spend on tickets is 42. So,
[tex]6(x-2)=42[/tex]Solve the equation for x.
[tex]\begin{gathered} 6(x-2)=42 \\ x-2=\frac{42}{6} \\ x=7+2 \\ =9 \end{gathered}[/tex]So price of ticket without the coupon is 9.
Answer: 9
