Answer:
9x+1
Step-by-step explanation:
combine like terms
2x+1+7x
Answer: 9x + 1
Step-by-step explanation: As 2x and 7x share the same base, they are like terms. So, you can combine them and get 9x. As there are no other constants in the expression, 1 stays the same. Thus, your final answer is 9x + 1.
