jazzieeilish
jazzieeilish jazzieeilish
  • 04-03-2018
  • Mathematics
contestada

how do you do the elimination method? Example: -8+6y=2;16x-3y= -13

(click on picture to see the full thing)

how do you do the elimination method Example 86y216x3y 13 click on picture to see the full thing class=

Respuesta :

Wizkid8402
Wizkid8402 Wizkid8402
  • 04-03-2018
Double the first equation to get
-16x+12y=4

Add that to the second equation and get
9y=-9
y=-1

Then we solve for x. Let's plug y into the first equation.
-8x+6y=2
-8x-6=2
-8x=8
x=-1

y=-1
x=-1
Answer Link
mumsy
mumsy mumsy
  • 04-03-2018
I will attach the picture
first step is to multiply the first equation by 2
Ver imagen mumsy
Answer Link

Otras preguntas

The paths in which electrons travel are called what ovals ,paths,circles,orbitals
Find the average of the following salaries: $52,500.00, $53,500.00 $55,500.00, $56,500.00
40% of what number is 5
The length of a rectangle is three times its width its perimeter is 24 cm find its area
All nationalities have special foods. Burritos and tacos are two popular Mexican foods. Ravioli and lasagna are famous Italian dishes. Choose any two internatio
what happen to the frequency of a sound wave as you change the pitch? what changes with more value?
Solve for x. 3(3x - 1) + 2(3 - x) = 0
7 more tickets than a number M
Temperature has a(n) _____ effect on the pressure and volume of a gas. A. direct B. inverse C. positive D. negative
The Seven Years' War was between England and _____.