jaheim619
jaheim619
11-02-2018
Mathematics
contestada
5x+2y=-4
-x+2y=8
Solve the system
Respuesta :
sqdancefan
sqdancefan
15-02-2018
Subtract the second equation from the first.
.. (5x +2y) -(-x +2y) = (-4) -(8)
.. 6x = -12
.. x = -2
.. -(-2) +2y = 8
.. 2y = 6
.. y = 3
The solution is (x, y) = (-2, 3).
Answer Link
VER TODAS LAS RESPUESTAS ( 41+ )
Otras preguntas
What is the Largest Organism?
How do u Solve 2x2 + 2x2 + 2 - 2x2 =
Jim has three times as many comic books as Charles. Charles has 2/3 as many books as Bob. Bob has 27 books. How many comic books does Jim have?
Name two metals alloyed with iron to make stainless steel.
where is nassal cavity located in our body.
A number of students were asked this question: “How many cousins do you have?” The lowest answer given was 6. The highest answer given was 20. The total of all
How did Douglass refute the prevailing southern (and northern) perception of slave songs?
very, very thin due to lack of adequate food
A gourment shop wants to mix coffe beans that cost $3.00 per pound with coffe beans that cost $4.25 per pound to create 25 pounds of a new blend that cost $3.50
What is NADPH2 ? where is it used?
