Answer:
b - 7 = the amount of money Cam has
Step-by-step explanation:
We don't know how much money ben has so we have to subtract 7 from <em>b</em> to find the amount of money Cam has.
Hope this helps!
Cam must have b-7 dollars.
y=2x so replacr the -y with -2x so 2x+6 is 8x. :)