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 ( 23+ )
Otras preguntas
FREE POINT GUYS FREE POINT GUYS FREE POINT GUYS FREE POINT GUYS FREE POINT GUYS
GIVING BRAINLIEST! Please help. A wooden right circular cylinder with diameter 9 cm and height 9 cm is topped with a hemisphere. The surface area, in cm^2, of
Why might a country want to increase its power or expand its territory? check all that apply. to bolster its defenses to restrict its military expenses to limi
The epic of gilgamesh does not exactly have a happy ending. certainly the hero, gilgamesh, is not ultimately successful in his quest. why do you think the epic
What do Della and Jim give up for each other and what gifts do they buy for each other?
Determine which of the line if any are parallel a (-1,-2) and (1,0) b (4,2) and (2,-2) c (0,2) and (-1,1) 1.a and b the slopes and the same 2 a and c the slopes
Perhaps no one in clarkston was as excited to hear about the free soccer program as eight-year-old jeremiah ziaty. jeremiah loved soccer. –outcasts united, warr
4x−5 for x=10 This is on my homework and I need to get this does quick. May you guys please help me out
What do Della and Jim give up for each other and what gifts do they buy for each other?
How do you plot points on a graph?
