joness344p2f17w joness344p2f17w
  • 12-01-2018
  • Mathematics
contestada

-3x -4y =-1 and 3x-y=-4 ( elimination)

3x 4y 1 and 3xy4 elimination class=

Respuesta :

cdw2014
cdw2014 cdw2014
  • 12-01-2018
Think of it as a subtraction problem.

-3x -4y = -1
3x - y = -4
_________
0x -5y = -5

y = -5/-5 = 1

Plug 1 in for y in either of the equations

3x -1 = -4
3x = -3
x = -1

Answer: (-1, 1)




Answer Link

Otras preguntas

people that have been affected by racism​
How does this picture attack the emotions and bring people over to buy war bonds?
Scrieți un articol de ziar despre un subiect pe care îl alegeți, dintr-un domeniu: sport, știință, călătorii, divertismentar ect. in engleza sau in romana. va r
How many outcomes are possible if you chose one letter from the word FUN and another letter from the word NOT.
can someone help me solve for x and show the work please
What are all the pairs of twin primes between 25 and 55?
You have a choice between buying a cell phone or a camera. You choose the cell phone. The cell phone represents your _____. preference need endorsement
Please help me thx Xxxxxx
This is my last one. Everyone have a good day or night thank you :)
PLEASE HELP!! Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match each equation of the piecewise function represented i