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 ( 55+ )
Otras preguntas
Expeditions searched the northern shores of Canada for the ______ Passage, a way around America. Hudson Northwest Canadian Artic
Loan for Vehicle Loan APR Payment #1 $20,000 for 66 months 2.17% $322 #2 $25,000 for 78 months 3.38% $357 #3 $30,000 for 84 months
Can somebody help me plz
PLEASE HELP! (WILL GIVE BRAINILEST ANSWER) Triangle ABC has angle measures as shown. (a) What is the value of x? Show your work. (b) What is the measure of angl
Simplify 4x-2y(5xyz).
Need help!!!!!!How do I do this?
Convert 65,000,000 to scientific notation
How does the idea of atoms explain the principle of conservation of matter?
Click on the pictures can someone please help me?
a cross section perpendicular to the base and passing through the diagonals of the base and opposite face of a right rectangular prism that is 24 inches wide,
