theirvoice945
theirvoice945
16-02-2020
Mathematics
contestada
solve the equations
Respuesta :
meqanho
meqanho
16-02-2020
a) 2x + 3y = 2. (1)
x - 2y = 8. (2)
modify (1) to be: 2x = 2-3y
= x = 1-1.5y
put (1) into (2) so: (1-1.5y)-2y = 8
-3.5 y = 7
3.5 y = -7
y = -7/3.5
y=-2
Answer Link
VER TODAS LAS RESPUESTAS ( 56+ )
Otras preguntas
How are the mantle-asthenosphere and the asthenosphere-lithosphere alike?
THE WORLD'S MOST HARDEST QUESTION 9 BILLION * 78 MILLION IN SCIENTIFIC NOTATION
How does mutations lead to genetic variation?
In monopolistic competition, what effect do price variations generally have on the market as a whole?
In the late 1800s, the Ghost Dance was a religious movement among what?
What religion spread through the roman empire at the height of its power?
is normal rain water acidic, basic, or neutral.?
Which of the following is not a resource the Appalachian Mountain range is well known for providing?. A. silver B. coal C. Petroleum D. iron
What does the son of arthur jarvis have in common with his father?
How old do you have to be to work in Texas?
