Please help me If you can’t it’s fine?

When y’all answer can y’all explain too !

Find solution of the linear equation y = 2/3x + 1/3

Were only 64 seats. the remaining 6 students had to travel in a separate van. the equation 2b + 6 = 70 represents the given scenario. what does b represent? the number of buses the number of vans the number of students who rode on each bus the total number of students going to the football game