It would be: 2(p + 1) = 18
= 2p + 2 = 18
= 2p = 18 - 2
= 2p = 16
= p = 16/2
= p = 8
In short, Your Answer would be 8
Hope this helps!
Answer:
Step-by-step explanation:
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I cannot understand what you are saying
Answer:


Step-by-step explanation:
We have the system of equations:

Let's solve by substituting. We know that
, so we can substitute
in as
in the equation
.

Simplify this down so that we have
on one side of the equation:

Now that we know the value of
, we can substitute it in to the equation
to find
.

Hope this helped!