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 ( 35+ )
Otras preguntas
Solve by your method of choice.
Please please help me out!!
I have a box of 3 cupcakes. Each one is either chocolate or vanilla. What could o have in the box? What are all the ways to answer the question?
president eisenhower enunciated of the "domino theory" ultimately became a main justification for
High rates of hospital readmission ____________ healthcare costs. A. have no effect on B. stabilize C. increase D. double
Please help thank you much!
PLEASE HELP!!!! The factored form of a quadratic expression is x (x – 4). The ordered pair (0, 0) represents one of the zeros of the associated quadratic funct
Oil is leaking from a damaged shipping vessel stranded at sea. The captain estimates that the costs, C, in millions of dollars, to clean a t ton oil spill can b
HELP ME! DUE IN 5 MINUTES! A group has an equal number of adults and children. When n oranges are given to the group, each adult gets two oranges while each chi
Which part of a flower grows into the fruit?
