Lheart
Lheart
04-04-2014
Mathematics
contestada
If 2x+z=2y and 2x+2y+z=20 what is the value of y?
Respuesta :
Аноним
Аноним
05-04-2014
[tex]2x+z=2y\to2x=2y-z\\\\substitute\ to\ 2x+2y+z=20:\\\\(2y-z)+2y+z=20\\2y-z+2y+z=20\\4y=20\ \ \ \ /:4\\y=5\to answer[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 34+ )
Otras preguntas
Solve the equation 4sqrt(3m ^ 2 - 15) = 4
please help meeee!!!
Alison was found wandering near her neighborhood three weeks after she went missing. On being questioned by the police, Alison revealed that she could not remem
Russian space officials confirmed Tuesday that an American singer will be training at the Star City cosmonaut complex for the next month and that talks are cont
Determine if the relation is a function. Explain and justify your answer.
Please help me out this is not very easy for me.
1. La profesora Prado (acabar / recibir) un premio por su investigación sobre la civilización inca. 2. Pero, en este momento la profesora (querer /protestar) po
describe two ways in which the law that protects gender based violence protects people
help i need i the answer asp pls
How were the rights of African Americans limited during the Reconstruction Era?
