sbejarano sbejarano
  • 03-01-2020
  • Mathematics
contestada

Solve the system by elimination. −7x+y=−19 −2x+3y=−19

Respuesta :

mindyyyy
mindyyyy mindyyyy
  • 03-01-2020
x=2 y=-5 see photo for work
Answer Link
Yang100
Yang100 Yang100
  • 03-01-2020

Answer:

x=2, y=-5. (2, -5).

Step-by-step explanation:

-7x+y=-19

-2x+3y=-19

--------------------

-3(-7x+y)=-3(-19)

-2x+3y=-19

----------------------

21x-3y=57

-2x+3y=-19

-------------------

19x=38

x=38/19

x=2

-7(2)+y=-19

y=-19-(-14)

y=-19+14=-5

Answer Link

Otras preguntas

Sanjay (S) and Lisa (L) are standing 30 m apart in front of the base of Stawamus Chief Mountain. They are looking up at a point (P) they wish to climb to. The a
A student reads that propane gas is the main source of energy for outdoor grills. Propane gas is made up of carbon and hydrogen atoms. Propane has stored ____ e
help me! its overdue!
What made living along the nile easy?
Consider the function shown. f(x) = 3x2 − 15 a. Determine the inverse of f(x).
charles louis montesquieu beliefs
Think of a real-life example when you have seen herd behavior in action. What caused the people in your example to think or act as a group
-3x-9=15 what is the value of x
8 7/8 + (7 5/6 − 2 1/3)
equations that have mixed numbers with the product of 54