bekah5332
bekah5332
04-02-2017
Mathematics
contestada
I'm lost.. How do you even start it???
Respuesta :
konrad509
konrad509
04-02-2017
[tex]2x+y=4\\ -x+y=1\\\\ 2x+y=4\\ \underline{x-y=-1}\\ 3x=3\\ x=1\\\\ 1-y=-1\\ y=2 [/tex]
Answer Link
wolf1728
wolf1728
04-02-2017
A) 2x + y = 4
B) -x + y = 1
Multiply B) by 2
B) -2x + 2y = 2 then add to A)
A) 2x + y = 4
3 y = 6
y = 2
B) -x + y = 1
-x +2 =1
x = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 87+ )
Otras preguntas
Three coins are tossed. Find the probability that two land on heads.
RENT? GIVE ME RENT If the mean of six nu m b e rs is 48, does one of the nu m b e rs have to be 48? Explain why or why not. Give an example with six nu m b e rs
someone help me if good at Spanish . Preterite form .
What did Patriots use to gain support for the ideas of freedom and self-government?
Something that comes from inside the earth is called a?
HELP PLEASEEEEEEEEEEEEEEEEEEEEEE ITS A GRADE
true or false ? losing time
Translate this sentence into an equation. 69 is the difference of Jenny's height and 7.
how society affect cultural relativism?
Henry decorates the top of each cupcake with 3 walnuts. If he has 56 walnuts, is that enough to decorate 2 dozen cupcakes? Why?