Oklkoklko Oklkoklko
  • 08-02-2017
  • Mathematics
contestada

X+2y=-2
-3x+2y=-10

Please help me.

Respuesta :

wolf1728
wolf1728 wolf1728
  • 08-02-2017
A)    X+2y=-2
B) -3x+2y=-10

Multiply equation A) by -1
A) -X - 2Y =2      Then add it to B)
B) -3X +2Y = -10

-4X = -8
X = 2

A)    2+2y=-2
2Y = -4
Y = -2

Answer Link

Otras preguntas

George has a small coin collection.  He has collected 16 gold coins, 28 silver coins, 32 copper coins, and4 bronze coins. At a flea market, George sells 15% of
what is the difference between binary fission and multiple fission??
how many electrons flow through filament of 120V -60W lamp in 1 second ?
Need a step by step on how to solve this please
how do you connect 1 ohm, 2 ohm and 3 ohm resistors to getan equivalent resistance of 5/6 ohm.
what happens when zinc carbonate is calcined?
A ball was kicked into the air from a balcony 20 feet above the ground, and the ball’s height above the ground, in feet, t seconds after the ball was kicked was
Name two structures other than DNA, that bacterial cells have but animal cell do not.
HOW MANY ELECTRON MAKES 10 COULOMB OF CHARGE?
__________ are the political leaders of the United States who helped in creating its system of government.A.The followers of Shays’ Rebellion B.Congress C.The S