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

write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. $3.50 to $2.50
tom has been given 35 chores to complete today. this morning he finished 7 of them. how many chores does he now have left to do?
what is the product of the binomial (x+4)(x+3)
Define crystaline polymer and amorphous polymer .Give two example of each polymer.
What is 1345/99 rounded to the nearest integer
1^2 + 4^2 + 7^2 + ... + (3n - 2)^2 = n(6n^2-3n-1)/2
An ideal machine has an efficiency of 100%. please select the best answer from the choices provided t f
When some members of a species become isolated, they are less likely to form a new species. truen or false?
Why is the value of function : f(x)= 10x + 2 when x=5?
a layer of sandstone is in contact with a mass of granite. the sandstone contains small fragments of the granite. which rock is older?