If you can explain how to get all possible zeros thanks

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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.

There are a total of 75 students in the robotics club and the science club. the science club has 11 more students than the robotics club. how many students are in the science club?