How do I find the length

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

What is the lcm of 16 and 40 ? 24 and 40 ?

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?