Solve the simultaneous equations 4x - 2y = 8 and x - 3y= -3
show all workings , i would prefer the way by adding a 3rd equation

For how answer my question this will be the last question can you answer in math subject

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Find the solution of each of the following.