Answer:
10x + 3
Step-by-step explanation:
(A tip: separate them. I put one line under the x´s and two under the numbers)
x + 2x + 7x = 10x (add the numbers and put x at the end)
1 + 1 + 1 = 3
Answer:
=20x+2
If im wrong correct me and plus cant explain it because im in a rush
