Sam1300
Sam1300
02-03-2015
Mathematics
contestada
X+3y=5
-2x-6y=-10
Solve using elimination
Respuesta :
apologiabiology
apologiabiology
02-03-2015
slimination
multiply first equaiton by 2
2x+6y=10
add to second equiaotn
2x-2x+6y-6y=10-10
0=0
this is true so therfor they are the same equaiton
so solve
x+3y=5
3y=-x+5
y=-1/3x+5/3
subsituter values for x and get valuse for y
if x=2 then y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 16+ )
Otras preguntas
How did the founders think the power of the government could be limited?
which answer is equal?
pls solve this for me(asap)
solve please..........
The formula for the perimeter of a rectangle is p=2l+2w, where l is the length and w is the width. A rectangle has a perimeter of 24 inches. Find its dimensions
The patient has a large acute subdural hematoma documented in the medical record. Which of the following procedures would you expect to see documented in the p
Question 2 of 20 : Select the best answer for the question. 2. On the Picture Tools Layout tab, you can preview results of the numerous styles, borders, effe
find the axis of symmetry for this parabola: y= -x^2-2x-5
In FGH, what is the measure of H? A. 42 B. 43 C. 68 D.69
Which of the following statements is true? A. Isotopes have the same physical properties as the normal atom but different chemical properties. B. Isotopes
