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 ( 11+ )
Otras preguntas
what's the unit rate for 240 miles in 6 hours
what route did the Aryans take to the Indus valley ? need it for 2day thankyou
Scientists hypothesize plants evolve directly from A cellulose B fungi C bacteria D green algea
What is labor in economics? Labor is not considered a part of economics. Labor is one of the three resources of production, like land or capital. Labor is affec
The height of a rhombus is 5 cm. The area is 20 cm². a) Find the measure of the base \ b) Find the perimeter of the rhombus
simplify (x^3+5x^2+5x-2)+(x+2)
the stage for a school play is 70 feet wide. A set for the play will be built in two sections, separated by 5 feet in the center. in addition, 3 feet must be le
Atoms are NOT composed of which of the following? a.protons b.neutrons c.electrons d.xenons
which polynomial is equal to (-3x^2+2x-3) subtracted from (x^3-x^2+3x)?
Which ordered triple is a solution of the following linear system?: 3n = -18 3m - 2n + 4p = 12 2m - 4n = 16
