Answer:

Step-by-step explanation:
A nine can go into a 20 two whole times. After that, there's still
some room left in the 20, but it's only enough room for a 2.
5.972 × 10<span>21.
Hope this helps.</span>
To solve for y, isolate the variable to one side.
9x+3y=4
-9x -9x
~~~~~~~~
3y= -9x+4
~~~~~~~~
3y= -9x+4 (Divide both sides by 3)
y=-3x+4
Answer:
56.5
Step-by-step explanation: