sarahlamar382
sarahlamar382
03-12-2014
Mathematics
contestada
3x+4y=2 4x-4y=12 by using elimination
Respuesta :
lakwan007
lakwan007
03-12-2014
(+3x+4y=2)
(+4x-4y=12)
-----------------
7x = 14
-----------------
7
X=2
3(2)+4y=2
6+4y=2
4y=-4
Y=-1.
Or you can plug x into the other equation.
4(2)-4y=12
8-4y=12
-4y=4
Y=-1.
Answer Link
VER TODAS LAS RESPUESTAS ( 45+ )
Otras preguntas
Can you please help me solve this. Thank you
B is between A and C, AC = 14 and BC = 11.4. Find AB
HELP PLEASE, BRAINLIEST AND 15 POINTS
Elabora una relación que muestre aspectos en común de las primeras civilizaciones.(teniendo en cuenta los pueblos que la habitaron:, sumerios, acadios, Babiloni
Identify one way in which the spread of Buddhism changed other Asian religions in the period before 1450 C.E
what does 5+3x/2 equal?
Steve is a 47 year old male who has a lot of plaque buildup in his arteries due to lack of exercise and a diet high in fats. He has recently been complaining of
The graph of a polynomial S(x) = (2x - 3)(x – 4)(x+3) has x-intercepts at 3.x values. What are they? keep the same order as the products parenthesis above) No d
I need help 2x+y=7 to solve for y
________ employs state-of-the-art computer software and hardware to help people work better together/188646975/management-exam-1-flash-cards/
