crisfusecrawalla crisfusecrawalla
  • 02-03-2017
  • Mathematics
contestada

X - Y = 11
2x + Y = 19

where do the lines cross

Respuesta :

wolf1728
wolf1728 wolf1728
  • 02-03-2017
Just solve the equations:
A) X - Y = 11
B) 2x + Y = 19
Multiply A) by -2

A) -2X  +2Y = -22 then add to B)
B) 2x + Y = 19
3Y = -3
Y=-1

A) X - -1 = 11
x = 10


Answer Link

Otras preguntas

What is 72,546 in word form
Why was U.S. support for the government in El Salvador controversial?
what solid does a recorder look like
advertisers purchase 1/8 and 1/16 of page 20 what fraction of the page is used for ads?
The influence of the Virginia Declaration of Rights can be seen in the __________ and the __________. A. Massachusetts Body of Liberties . . . Fundamental Order
how did the israelites beliefs differ from the beliefs of most other ancient people
Help Please Why does Cassie want to tell Mama about rejecting the books before Miss Crocker tells her? A. Cassie wants to tell Mama how Miss Crocker whip
What are the basic units that all matter is made of?
What brought powhatan confederacy to an end?
Please help me ASAP!!! How does the poet use imagery in "Do Not Go Gentle into That Good Night"? A. to develop a sense of life's possibilities B. to contrast