If a matrix is not invertible, can i say the matrix has many solutions? or is the matrix has many solutions as well as the possibility or no solutions? and so if a matrix is invertible, the system of equations will definitely only have one unique solution?

javeir earned 56 dollors more than kyle so kyle and javier had 14w but javier made 56 dollors more so 14w plus 56 equals 70w so kyle has 14w

step-by-step explanation: hope i plz give me brainliest with the points so this is not constant cause it says last week so its clearly not every week