Answer:i dont speak spanish so im so sorry
Step-by-step explanation:
Answer:
4 units ...................
x + 7(x + 1)
7x + 7
x + 7x + 7
8x + 7
x + 7(x + 1) = 8x + 7
The first set is equivalent.
We obtain the right-hand side by swapping places of the terms.
