the bottom one is the answer
Answer:
p=1
Step-by-step explanation:
isolate the variable by dividing each side by factors that don't contain the variable.
The answer is A.
Use Desmos Matrix Calculator. Enter you Matrix then the equation.
Set the equations equal to each other because you need to find when they will be the same.

Add 5x to each side and subtract 256 from each side to get the variable alone.

Divide by 2.