hahntimmy
hahntimmy
11-10-2016
Mathematics
contestada
solve the system of equations 3x+2y=14 2x-4y=4
Respuesta :
texaschic101
texaschic101
11-10-2016
3x + 2y = 14....multiply by 2
2x - 4y = 4
----------------
6x + 4y = 28 (result of multiplying by 2)
2x - 4y = 4
----------------add
8x = 32
x = 32/8
x = 4
2x - 4y = 4
2(4) - 4y = 4
8 - 4y = 4
-4y = 4 - 8
-4y = -4
y = -4/-4
y = 1
solution is (4,1)
Answer Link
VER TODAS LAS RESPUESTAS ( 46+ )
Otras preguntas
Which decimal is equivalent to -31/8
What is the importance of safe water in points
State the congruence relation for ABWO and AIRO. Use only the markings in the diagram. A. AAA B R B. SSA 0 C. SAS D. not necessarily congruent
BLM guys plz put question up like this to spread the word more lLGI!!!!1
bob ross is a good person but not so amazing that you have to be absolutely OBSESSED with him right?
which molecule makes up the hereditary material in humans and almost all other organisms
what number should replace x to continue the sequence ?2,6,14,30,26,x
Which best describes plate tectonics? A.Earth has four large tectonic plates that move in opposite directions B.Earth has more than a dozen tectonic plates that
Please help at least one please number it!!!
I need help some questions and good morning :)
