Step-by-step explanation:
please mark me as brainlest
Answer:
Step-by-step explanation:
I'm sorry, I don't see the question. Could you please retake the photo in better quality so I could answer it? Thanks!
well, from birth to your twentieth birthday that'll just be 20 years, so

Answer:
it has one solution
Step-by-step explanation:
1.y=x-3
2. 3y-3x sub x-3 in place of y therefore
it can also be written as 3x-3x-9=9
if you add 9 to both sides 3x-3x-9+9=-9+9
0+0=0