Answer:
A.
Step-by-step explanation:
Check the attachment below for more detailed explanation
I think it's the answer C, because in the second and third pairs, the -2 are the same.
Answer: The answer should be 3.
Step-by-step explanation: You plug in 2 instead of X and that’s it. Then you calculate your equation, and receive your answer.
3.) 5x-6=0, Add 6 to either side -> 5x=6, divide each side by 5 -> x=6/5 ---- 4.) x+y/3=5, multiple each side by 3 -> x+y=15, move y to the other side -> x=-y+15
