If x = 2 n + 1, what is the value of x when n = 10?

QUESTION

If x = 2n + 1, what is the value of x when n = 10?

EXPLANATION

To find the value of x when n is equal to 20, all you have to do is substitute n with 10 in the equation you are given.

Substitute:

Your new equation is

Now you need to multiply the 2 and 10 to take out the parentheses.

Your new equation is

Lastly, you have to add 20 and 1

That means your answer is x = 21

if n = 10,

x = 2(10) + 1

x = 20+1

then, x +21

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step-by-step explanation: