Which three equations are equivalent to 2|2x + 1- 1 = 9?
Select all the correct answers.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

I'm confused on this could anyone me and show me what i need to do to solve it.

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