9x + 4 = 472
Step by Step Step-by-step explanation
We know there are 9 buses, but we don't know how many students are on the buses, so that makes the first part of the equation 9x.
We also know there are 4 students in cars, so we now have an equation of 9x + 4.
We also know there is a total of 472 students altogether, so now our final equation is 9x + 4 = 472