Question

One number is 3 less than 4 times a second number. The difference of the

first number and twice the second number is 7. What are the two numbers?
Show your work.

Answer 1

17 and 5

Explanation:

Interesting question!

Turn both sentences to equations:

`a=4b-3\\a-2b=7`

a is the first number, and b is the second number.

A system of equations! A graphing calculator will do the work:

(See picture)

The y in the picture is a, and the x in the picture is b.

So the solution is a=17 and b=5