What is the answer and work to the equation x+5x-6< 12

How do i do this using elimination 2x+3y=12 x-y=6

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Which letters from the table represent like terms? a and b b and c a and d b and d