cdeharo433 cdeharo433
  • 22-05-2018
  • Mathematics
contestada

which ordered pair is the solution to the system of equations below using the elimination method
4x+6y=-4
5x+5y=10

Respuesta :

xmalek01
xmalek01 xmalek01
  • 22-05-2018
{ 8, -6 } as you multiply the first equation with 1.25 to get :
[tex]5x + 7.5y = - 5[/tex]


then, you use elemination by substraction to get rid of x:
[tex]2.5y = - 15[/tex]


try to solve for y to get y = -6, and then you use either equation 1 or 2 to find the value of x, which in both cases is equal to 8.
Answer Link

Otras preguntas

HEY I NEED THIS ANSWERED WITHIN 5 MIN IM ON A TEST PLS PLS
Hey whats up just need elp with 4
I just need help with this one problem
The data set shows the ages of the players of the soccer team. What is the most common age of the members of the team? Explain how to find the answer using a do
What does a person need if he or she is not able to pay for a planned purchase in full with a check or cash? A. a credit card B. a good credit score C. a long-t
Which of the following gases is a reactant of photosynthesis?
Need Help Solving It.
5/8+3/4 ———— -2/3-5/6
Which type of society first substituted animal power for human labor? A. hunter-gatherer societies B. horticultural societies C. pastoral societies D. post-indu
Please help I’m stuck on this question