Nodia
Nodia
02-02-2015
Mathematics
contestada
2x -y=-1
3x-2y=1
elimination somebody do this for me
Respuesta :
Pandagirl
Pandagirl
02-02-2015
-2(2x-y)=-1
3x-2y=1
-4x+2y=2
3x-2y=1
-x=3 (x=-3)
(-3,__)
2(-3)-y=-1
-6-y=-1
-y=-1+6
-y=5
y=-5
so..(-3,-5)
Answer Link
logo88
logo88
02-02-2015
2x-y=-1 (1)
3x-2y=1 (2)
(1) * 2--> 4x-2y=-2 (3)
(3) - (2)
x= -3
sub x= -3 into (1)
2(-3)-y=-1
-6-y=-1
-y=5
y= -5
Answer Link
VER TODAS LAS RESPUESTAS ( 35+ )
Otras preguntas
PLZ HELP ASAP ITS KHAN WILL GIVE 5 STARS AND HEART AND 10 POINTS AND BRAINLIST
can you solve it please
physics practicle according reduce syllabus
What is known about a reaction with a positive enthalpy?
Rewrite the expression as the algebraic expression in x Sin (tan^-1(x))
Due to the ability to be able to purchase this new product on credit, it went from 60,000 of them being us U.S. household in 1919 to 10 million in U.S. househol
How should the magnetic field es be drawn for the magnets shown below!
Elisa y Rosa son ► 0:00 /0:07 O hermanas O cuñadas O tías O primas
What is the maximum value of the objective function, P, with the given constraints? P = 25x+45y (4x+y≤16) (x+y≤10) (x≥0) (y≥0) Options A: 100 B: 410 C: 450 D:
Complete the following sentences using these pairs of pronouns as subjects. Have your sentences checked. 1. He and I _______________ 2. They and we ___________
