sarahlamar382
sarahlamar382
03-12-2014
Mathematics
contestada
3x+4y=2 4x-4y=12 by using elimination
Respuesta :
lakwan007
lakwan007
03-12-2014
(+3x+4y=2)
(+4x-4y=12)
-----------------
7x = 14
-----------------
7
X=2
3(2)+4y=2
6+4y=2
4y=-4
Y=-1.
Or you can plug x into the other equation.
4(2)-4y=12
8-4y=12
-4y=4
Y=-1.
Answer Link
VER TODAS LAS RESPUESTAS ( 85+ )
Otras preguntas
Individuals who have a certain gene have a 0.46 probability of contracting a certain disease. Suppose that 913 individuals with the gene participate in a lifeti
mental disease of killing person
The amount of time (t) in minutes it takes Jeff to mow an average sized yard is related to (n) the number of yards he mows. The equation is t = 2n + 12. How man
A stone located anywhere along the ureter is known as a
Use induction to prove that 2? ?? for any integer n>0 . Indicate type of induction used. I proved the base case using n = 1, and for my induction hypothesis,
What is the area of this triangle? Enter your answer in the box.
A gardener accidentally trims the leaves of a green plant too short. The leaves are now much smaller. He notices that the plant grows more slowly than it used t
At what altitudes are the base camps of mt. Everest located?
which is a characteristic of coral islands ??
A writer writes an original post and publishes it on her own blog. She then submits that same content to a customer on our site. Is this plagiarism?
