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 ( 12+ )
Otras preguntas
which of these events in history does seidman say occurred in direct violation of the constitution? a. the building of the white house b. Formation of the supre
How do you think the history of Rome would have been different if Spartacus had succeeded in crossing the alps?
What animals may be found in each zone?—be specific on listing them •Upper •Middle •Lower
what do 10, 25, 50, and 125 have in common
if i have 2 apple and get 3 more then lose 2 how many do i have left
Julia spends $2.25 on has for her lawn mower. She earns $15.00 mowing her neighbor's yard. What is Julia's profit?
Explain why it works to break apart a number by place values to multiply
Piaget's principle of conservation concerns the observed properties of substances. Psychologists apply this principle when they study _____ development in child
what is 6/18 in simplest form
Solve for a : C + 3a = 7
