Is 2x=x+x+x+1 a linear equation explain

Which expression is equivalent to 5r6141 2r+st6

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

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?