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 ( 59+ )
Otras preguntas
please help with 1 or 2 i’ll mark brainly
reasons to get vaccines vs reasons not to get vaccines
During taylor's experiment, which piece of data would be qualitative?
Are you the person you want to be? i know it's not math but please answer
find the equation (in terms of x) of the line through the points (-2,1) and(2,9) Y=
Find the critical t-value that corresponds to % confidence. Assume degrees of freedom
What type of negotiation strategy requires the supplier to open its books to the purchasers?.
What basic idea guided President George W. Bush's economic policies? A. a preference for private institutions B. confidence in New Deal solutions C. recognit
The solution to an inequality is graphed on the number line. What is another way to represent this solution set? -5 -4 -3 O {x | x <4.5) O {x x 34.5} O {x |
As the industrial revolution got rolling and coal was in great demand by the mid-18th century, how did the coal get from the mines to places it was used?
