X = y + 12. You then substitute or plug in that from the first equation into the second equation. You get (y+12)+y=18, then you simplify to get your y value. In this case y = 3. The you can plug your y value into either equation. (x+3=18) or (x-3=12) or (x=3+12) either way you get x=15 and y=3.
Answer:
7.11
-7.1
Step-by-step explanation:
Answer:
according to my observation it should be a option
Answer:
47=4n-3
Step-by-step explanation:
N=11 btw
