Question

For which value of n the following equalities are true: 3n = 9

Answer 1

n = 3

Explanation:

3 times 3 is 9, so if we make n = 3, the statement is true.

Hope this helps!

Answer 2

Answer: 3

Explanation: To solve for n in this equation, we want to get n by itself on the left side of the equation.

Since n is being multiplied by 3, to get n by itself, we need to divide by 3 on the left side of the equation. Since we divided by 3 on the left side, we must also divide by 3 on the right side.

On the left side, notice that the 3's cancel out so we are simply left with n. On the right side we have 9 ÷ 3 which is 3.

Therefore, n = 3

Finally, remember to check your answer by substituting a 3 back into the original equation.

So, we have 3 (3) = 9 which is a true statement.

Remember to show all your work when solving equations.