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 statement is true about the graph of y = -x2 + 9? Help me y’all
¿Cuál era la actividad primordial de lo Tainos?
Find the area of the shaded region. The base and the height of the smaller shaded right triangle are the same lengths. Round to the nearest hundredths place. a.
If there is rapid inflation throughout the economy, which of the following is the most likely result?
There are 1400 students in a school. 49.5% of them are male. How many are female?
Find the exact area of a circle having the given circumference. 8 pi A = a)4√2 pi b)16 pi c)64 pi
The United States went to war with Mexico after
what side of a right triangle is the complemtary​
Which equation can be used to solve X in the following diagram?
West Germanic language group