the difference of a number and twice another number is 12. The sum of the two numbers is -27. What are the two numbers?

Question

03-06-2018
Mathematics

contestada

the difference of a number and twice another number is 12. The sum of the two numbers is -27. What are the two numbers?

Respuesta :

Otras preguntas

a lunch bill including tax, is divided among you and 5 friends. everyone pays less than $8.75. write and solve an inequality that describes the total amount of

Factor the expression. If the expression cannot be factored, say so.

josh wanted to buy a bicycle but didn't have enough money. After josh told his troubles to sam slick, sam said,"I can fix that. see that fence? each time you ju

Factor the expression. If the expression cannot be factored, say so.

Does an owl have a backbone?

a lunch bill including tax, is divided among you and 5 friends. everyone pays less than $8.75. write and solve an inequality that describes the total amount of

The ______ was established in 1943 to assist in the transition from a peacetime to a wartime economy ?

Does an owl have a backbone?

The ______ was established in 1943 to assist in the transition from a peacetime to a wartime economy ?

altavistard altavistard · Answer 1 · 2018-06-13T16:36:15+02:00

altavistard altavistard

13-06-2018

Let the numbers be x and x. Then x-2y=12. Also, x+y= -27, so that x = -27 - y.

Subbing the 2nd equation into the first gives us -27 - y - 2y = 12, or

-39=3y, or y = -13 (answer). Now find x from x = -27 - y.

Answer Link