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 ( 33+ )
Otras preguntas
Area is measured in unit _____, volume is measured in unit ____ .
PLEASE HELP, 50 POINTS!!! THIS MAKES NO SENSEIdentify the parts of the pyramid.Blank: Surface Area of the Pyramid. Blank: Vertex of the Pyramid.
Please look at the attachment for the question I got 4, 6, -3, -2, 3 (up to down) but it says I got it wrong and I’m confused.
what’s the vertical angle
Explain how finding 4 x 384 can help you find 4 x 5,384.then find both products.
In Excel, all functions must begin with what symbol?
You can buy laundry product in a 30 ounce bottle for $15.30 or in a 25 ounce bottle for $12.25. Given these prices, which is the better deal. Show work with uni
List two inherited traits and two acquired traits of the fox squirrel.
A basketball regularly sells for $28. It is 20% off. How much will you pay for the basketball?
What is the area of this parallelogram?
