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

the two numbers are 5 and 17

Explanation:

4y - 3 = x

x - 2y = 7

to find y:

x - 2y = 7

(4y - 3) - 2y = 7

2y - 3 = 7

2y = 7 + 3

2y = 10

y = 10/2

y = 5

to find x :

4y - 3 = x

4 ( 5 ) - 3 = x

20 - 3 = x

17 = x