True statement about the Mona Lisa is: It is a highly replicated work.
3x+4y=23
2y-x= -19/ multiply -2
4y + 3x = 23
-4y - 2x = 38
_______________
X = 61
2y - x = -19
2y - 61 = -19
2y = 61 -19
2y = 42
Y = 21
Perseverance is worth a thousand one hit wonder successes. There are so many “accidental” successes.. Roosevelt was a wise wise man. He knew that through persistent attempts at anything and everything in life, man will end up wiser, better off, & more successful/ rich in the skill of life- which can get you anywhere