# The second of two numbers is 5 more than twice the first. Their sum is 80. How do you find the numbers?

##### 1 Answer

Mar 3, 2018

Write down what you know first:

#### Explanation:

We have 2 numbers, number 1 and number 2.

We also know that:

#"number 2" = "5 more than" \ 2 xx "number 1"# #"number 1 + number 2 = 80"#

Let's name number 1

Now, substitute your

If

then

is the same as:

Combine like terms:

Solve for

So