Answer: 5
Step-by-step explanation: Here, we want to determine which number can be replaced for the variable in this problem so the statement holds true.
5 would be the only number in this set that can work. Let's test it out.
We can do this by simply plugging in 5 for x. If the statement holds true when 5 is plugged in for x, then 5 is a solution.
Plugging in 5 for x, we have 5(5) - 4 = 3(5) + 6.
Simplifying, we have 25 - 4 = 15 + 6 or 21 = 21 which is a true statement.
So 5 is a solution.
