maiconway791
maiconway791 maiconway791
  • 04-08-2017
  • Mathematics
contestada

Helppppppppppppppppppp

Helppppppppppppppppppp class=

Respuesta :

kphung76127
kphung76127 kphung76127
  • 04-08-2017
3x-4y=-30
3x+2y=6
Multiply the second equation by -1
-3x-2y=-6
Add the two equations together to cancel out x
-6y=-36
y=6
Then put the y value in one of the original equations to solve for x
3x+2(6)=6
3x+12=6
3x=-6
x=-2
The answer is C
Answer Link

Otras preguntas

Organic molecules always contain carbon and ________ atoms.
Comparing and contrasting european colonizers spanish, english, french, dutch
A mixture of xenon and carbon dioxide gases is maintained in a 5.33 l flask at a pressure of 2.20 atm and a temperature of 67 c. if the gas mixture contains 19
8sin45+5cos45/sin345 -2cos3
Where is on place the main topic should never be?
The purpose of the petition sent to King George III by the First Continental Congress was to
Compressing the air by squeezing the bottle was accompanied by a(n) ________ in the temperature of air inside the bottle
When a variable drops out of the equation, what are the two possible solutions that you can get when you try to solve and what do they mean?
Usually the flood season produced a “good Nile,” just the right amount of water. What might be the consequence of a “bad Nile” – too much or too little water?
1. Change each fraction to a percent. a. 6/100 b. 3/8 c. 357/100 d. 100/100