(WILL MARK BRAINLIST)

combine like terms:
3x + 5x

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.