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 ( 26+ )
Otras preguntas
Scientific knowledge results from the interaction of scientists who are investigating natural phenomena. Which of these BEST describes how a scientific explanat
Chimpanzees. Why does it make the comparison between humans and chimps? What is the author of the Click and Learn trying to demonstrate?
Y yo soy ________ sobrino. no links mi,mis,su,nuestra
Globalization increasingly _____ the world to answer these _____ and _____ questions in a _____ market rather than an _____ country. (FILL IN THE BLANK)
Draw a line to match each fraction, decimal, or percent in Column A to the equivalent value in Column B. A B 40/50 1 3/4 13%
Complete the chart about these four protest movements. Provide local and national examples, when possible.
quadratic equations of the form _____ can be solved using square roots
A violent incident occurred in India on April 13, 1919. It involved a British military commander ordering his forces to open fire on peaceful protesters. This i
WHO EVER ANSWERS THE CORRECT ANSWER GETS BRAINLEST Under what condition can the Supreme Court strike down a law? a. when it goes against the Constitution b. wh
Geraniums are $2.95 each. How much will 5 plants cost? (include 7% sales tax.)
