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 ( 69+ )
Otras preguntas
One of the decisions that led to conflict between the Israelis and Palestinian Arabs was a resolution passed by the __________, which created two individual sta
PLEASE HELP ASAP!!!!!The graph below shows the solution set to which inequality?
Define behavioral adaptation and give an example.
A Spanish American word for coffee shop
how are the processes of erosion and deposition closely related
Who was the first person to determine that germs caused disease? A. Robert Koch B. Marie Curie C. Albert Einstein D. Louis Pasteur
Which equivalent fractions can you use to find the difference of 5 3/12 and 1 4/9
How would you describe a brigantine to someone who had never seen or heard of one before
What is 7 (1+10p) + 8 (1 + 6p)
adaptative features of plant and animal cells
