Please answer I will make you Brainliest if it's right How do I do this step by step??

How do you use the elimination method for this question? explain, because i really want to understand!

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

(x-5)1/2+5=2 what is a possible solution?