Answer:
my dude I feel sorry for your points
6
Step-by-step explanation:
Unknown number = x
So,
x - 4 = 2 (add 4 to both sides)
x - 4 + 4 = 2 + 4
x = 6
90/n
I.I
R.R
R.R would be R.RRRR......
and I.I would be I.IIII...
