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

Which of the following is a true statement? 7/16>5/10, 5/16<8/24, 4/5<6/16,5/8<6/16
The average distance between the earth and the moon is 386,000 km. Expressed in scientific notation, this distance is written as
Triangle ABC has vertices at A(-2,3),B(-3,-6), and C(2,-1). Is triangle ABC a right triangle? If so, which angle is the right angle? O No, the triangle has no r
If f(x)=3x2-5 and g(x) =-2x+5, then f(3)g(3)=?
Check the full form of the abbreviations in column 1. Short form Full
identify the graph and the solution of the given system. 2x+3y=0. -3y=6-2x
Adriana spent $24 on fruit punch and lemonade. Fruit punch costs $3 per bottle. Lemonade costs $2 per bottle. How many bottles of fruit punch could Adriana buy
Something nice to tell a girl
how many angels are in right angle name them
Ancient Egyptians believed that when a person died, they went to the Field of ________, a paradise that closely resembles Earth.