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 ( 89+ )
Otras preguntas
Please tell me five slogans on conservation of natural vegetation.
you have a full cylindrical glass of water that stands 8 inches tall and has a radius of 1.5 inches .if you pour the water into a larger cylindrical glass that
The diameter of your bicycle wheel is 25 inches. How far will you move in one turn of your wheel?
The graph of y = 4x - 11 is translated up 8 units. Which equation represents the translated graph? f y = 4x - 19 g y = 4x - 3 h y = 12x - 11 j y = 12x - 3
How do u write 6 more the 7 times a number is 41 in algebraic equation??
you have a full cylindrical glass of water that stands 8 inches tall and has a radius of 1.5 inches .if you pour the water into a larger cylindrical glass that
How do u write 6 more the 7 times a number is 41 in algebraic equation??
Horace read 160 pages in 4 hours. How many pages can he read in 6 hours??
How do u write 6 more the 7 times a number is 41 in algebraic equation??
What is the coefficient of y in the expression 12+3y-2x?