Answer:
A y=2x + 3
Step-by-step explanation:
2.00 grams
1.66 + 0.34 = 2.00
then the diameter is 20
x - 4 = 2x + 9
x - (2x) = 9 + (4)
-x = 13
x = -13.
4 + 9x + 3 = 29 - 2x
9x + 7 = 29 - 2x
11x = 22
x = 2