Please answer soon: Simplify these expressions. Then, evaluate them for the given value of the variable. 3x+7x−28+31−8x for x=2043

The simplified expression would be

The value is

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