holdingVoyage holdingVoyage
  • 11-05-2020
  • Mathematics
contestada

Solve the system by substitution.
y = -2
10x + 2y = 40

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 11-05-2020

Answer:

Solution:  (4.4, -2)  

x = 4.4  and  y = -2

Step-by-step explanation:

y = -2

10x + 2y = 40

Plug in for y.

10x + 2*(-2) = 40

10x - 4 = 40

10x =  40 + 4

10x = 44

x = 44/10

x = 22/5   or  x = 4.4

Answer Link
yaramarayay10 yaramarayay10
  • 11-05-2020
The answer would be 4.4
Answer Link

Otras preguntas

Which section of the vpn policy describes the systems, networks, or people covered by the policy?
Define Saturated Solution. What happens as a saturates solution cools?
A landowner's will left his ranch to a rancher, his heirs, and assigns, so long as the property was used exclusively for ranch purposes, then to the landowner's
The sense, based on liquid in the inner ear and responsible for seth's sickness, is called the __________ sense.
Help me!!!!!!!!!!!!!
What signaled the beginning of the confucian scholar-official system of china during the han period?
In each of the following ,make y the subject and hence find the value of y when a=2, b=3 ,and c=4. i.) (2a-7)/6y=(3b-5)/2c ii.) 3-34y + 2a= (3b-5)/(2c+1)
Hat happens when an atom gains an electron? a.it becomes a negative ion. b.it has an increase in the number of protons. c.it becomes a positive ion. d.it has an
A primary source is preferable to a secondary source when __________. A. creating original research B. finding a collection of sources and accounts C. looking f
Given P(E or F) = 0.16, P(E) = 0.12, and P(F) = 0.17, what is P(E and F)?