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:
x=6. x=15
Step-by-step explanation:
13. x=6
16. x=15
Your answer would be
12816
Answer: First one is B second one just make it
Step-by-step explanation:
Step-by-step explanation:
