Answer:
Step-by-step explanation:
e = 300-10(30)
e = 300 - 300
e = 0
2m-4 = x+nx switch sides
2m-4 = x (1+n) common factor
2m-4/1+4 = x divide both side by 1-x

Step-by-step explanation:
1) Collect like terms.

2) Simplify.

So, therefor, the answer is -17y - 16z + 4.
There are still 10 fish but only 5 are alive because fish don't drown