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 ( 72+ )
Otras preguntas
In ancient mesopotamia, from 2800 bc to 650 bc, the city size was the empire size. it’s interesting to note that in____, the empire was larger, while the city s
a truck is pulling an 85-kg rock attached by a rope. the coefficient of friction between the rock and the ground is 0.32. the truck applies 295 n of force to th
The rational function g(x) = x+10/x can be rewritten in the form g(x) = c+ r/x, where c and r are constants. Which expression is the result? a. g(x) = x +10/x b
Justin is walking around an area that has few trees and many tall grasses. In which biome is Justin most likely walking? A deciduous forest B grassland C desert
brittney griner was released from russian custody earlier this month. which pro sports league does she play in?
Which of the following is most likely to reduce the kinds of group biases that exist in face-to-face groups? A. crowd psychology B. herd mentality C. crowdsourc
Read the first two lines of "Because I Could Not Stop for Death" and answer the question. Because I could not stop for Death – He kindly stopped for me – In the
n the kitchen cupboard, there are three jars containing different items. sugar is to the right of rice and the flour is to the right of the sugar. which one is
if $a$ is the sum of the positive divisors of $500$, what is the sum of the distinct prime divisors of $a$?
HELP ⚠️50 points⚠️ Please state your explanation, I got 6 (just checking my answer) Two different rectangles have the same width. All four sides and both recta
