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

which continent includes 45 degrees north latitude and 115 degrees East longitude
how can you tell which slope is steeper when they are in the form of fractions
integer problems that equal 36
fill in the table, and then round to the given place. 3.1
What is letter m? M/9 -17=21
What is the missing value? 7^___ / 7^5 = 7^-2 A. 7 B. 3 C. -3 D. -7
1)Which of the following describes a basic concept of democracy.? A) individual worth is valued more than the protection of all citizens. B) all men are of equa
the scale of the map is missing.the actual distance from liberty to west quall is 72 miles,and it is 7 inches on the map. a.what is the scale of the map? b.fost
Read the following sentences. Select the answer if the underlined term in a sentence is used correctly. Choose all answers that are correct. A. Julius Caesar wa
Between which pair of numbers is the exact product of 379 and 8?