human
Determine the input of a double function machine used to create an algebraic expression ![A function machine with 4 rectangles in a row, joined by arrows pointing from left to right. The first rectangle on the left is empty and says "input" above it. The next rectangle has "− 4" written inside it, the next rectangle has "✕ 4" written inside it and the final rectangle on the right has "output" written above it and "8m − 20" written inside it.]() What is the input of this function machine? \( 2 m-16 \)
gpt
Thinks you apply one inverse operation to one term and the other inverse operation to the other term