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

victoria38baby victoria38baby

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

2^n+1 = 1/8solve each equation by solving Nthe answer is -4 but I need to solve how to do it

NO LINKS!! Please help me with this horizontal ellipse. Part 3a

the price of a wristwatch is $46.50 the sales tax rate is 5% to the nearest cent what is the total cost of the wristwatch including the sales tax

NO LINKS!! Please help me with this horizontal ellipse. Part 3a

Terra data cycle experiment the beginning temperature for saltwater solution was -2°C by the end of the experiment a solution temperature was 24°C what was the

What would happen to a freshwater protozoan if removed from its normal habitat and placed into a saltwater pool? (hint: freshwater=high concentration of water.

PLEASE HELP ME! I NEED THIS QUICKLY! Its relating to analog and digital waves

public schools are free schools supported by_________?

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