I really need help!!

Note: enter your answer and show all the steps that you use to solve this problem in the space provided. x − 2 − 1 0 1 2 y use the function rule to complete the table. − 10 x + y = 4

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)