Seudónimo
Seudónimo
02-12-2016
Mathematics
contestada
solve system by elimination
9x-3y=3
3x+8y=-17
Respuesta :
apologiabiology
apologiabiology
02-12-2016
multiply 2nd equation by -3 and add to first
9x-3y=3
-9x-24y=51+
0x-27y=54
-27y=54
divide both sides by -27
y=-2
sub back
3x+8y=-17
3x+8(-2)=-17
3x-16=-17
add 16 to both sides
3x=-1
divide 3
x=-1/3
(x,y)
(-1/3,-2)
Answer Link
VER TODAS LAS RESPUESTAS ( 99+ )
Otras preguntas
What type of economy does North Korea have?
Why do electrons flow through a wire?
BRAINLIEST!!!!! match each equation with the correct type of function. n/m=1.5 v=1/3bh y=-7 vw=-18 inverse variation step functi
A 2 kg block is lifted vertically 2 m by a man What is work done by the man?
The first of the Four Noble Truths states that- a) suffering is caused by greed. b) ending worldly desires will end suffering. c) life is either physical or
A substance with a high pOH would likely have which of the following? A low [H] and a high pH A low [OH-] and a high pH A high [OH-] and a low pH A high [H+] an
The main cause of air pollution in the region is?
Drag each label to the correct location on the image. Identify the different elements in the excerpt from Trifles by Susan Glaspell.
What are the four major types of landforms? A: mountains, hills, plateaus, and plains B: plateaus, valleys, peninsulas, and oceans C: mountains, valleys, rivers
If y= x-6 were changed to y= x+8, how would the graph of the new funcompare with the first one?
