A truth table is a way of organizing information to list out all possible scenarios. We title the first column p for proposition. In the second column we apply the operator to p, in this case it's ~p (read: not p). So as you can see if our premise begins as True and we negate it, we obtain False, and vice versa.
Answer:
In step 2, he needed to divide both sides of the equation by 5
Step-by-step explanation:
we have
Solve for a------> That means isolate the variable "a"
step 1
Subtract 2b to both sides
step 2
Divide by 5 both sides
The answer is about 0.02439.
I simply just put it into the calculator.
