Can you show me how to use repeated subtraction to divide .72÷4=?

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

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

Find the value of x. give reasons to justify your solutions! h ∈ ig