murtaghliam1 murtaghliam1
  • 11-12-2018
  • Mathematics
contestada

The sum of two numbers is 66 and the difference is 8 . What are the numbers?

Respuesta :

Аноним Аноним
  • 11-12-2018

Answer:

X = 37

Y = 29

Step-by-step explanation:

X + Y = 66

X - Y = 8

------

Solve second equation for X

X = Y + 8

Substitute for X in first equation

Y + 8 + Y = 66


2 * Y = 58

Y = 29

___


X - 29 = 8

X = 37


X = 37

Y = 29


Good Luck,

- I.A. -

Answer Link
Audreydchavez
Audreydchavez Audreydchavez
  • 11-12-2018

Answer:

x = 37 and y = 29

Step-by-step explanation:

x + y = 66

x - y = 8

solve second equation for x

x = y + 8

substitute for x in first equation

y+8 +y = 66


2y = 58

y = 29

x - 29 = 8

x = 37

x = 37 and y = 29

Answer Link

Otras preguntas

Michael breeds chickens and ducks. Last month he sold 50 chickens and 30 ducks for $550. This month he sold 44 chickens and 36 ducks for $532. How much does a c
HELP LOOK AT PICTURE
What is the value of Z in the equation to Z +7 equals -5
Given: AS ≅ KS; ∠6 ≅ ∠ 9; Using the given information, which postulate justifies that Δ ASC ≅ Δ KSC? A) AAS B) ASA C) SAS D) SSS Helppppp please
A filmmaker wants her viewers to get a first-person point of view. Which camera shot or effect would allow her to achieve this view? A. a long-distance shot B.
A robot moving forward at a constant speed takes 2.5 hours to travel 1 kilometer. Moving forward at this same constant speed, it takes the robot 90 seconds to t
please answer number 14!!
Question no 9 For Thé options and questions view the image
!!!!!!!!!!!!!!!!!!!!!!!!!! Plz
Solve -8z + 3+2z = -4 - 6z + 7. Tell how many solutions there are.