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
What is the volume of a 4.0M solution that contains 374 grams of KNO3?
Ram has 35 gel pens. He gives an equal number of pens to each of his 5 friends and has 10 pens left for himself.
Translate f(x) = |x| so that it's translated down by 3 units and vertically stretched by a factor of –2. What's the new function in terms of g(x)? A. g(x) = |x|
PLEASEEEE HELP AND ANSWER CORRECTLY I WILL ALSO MARK BRANLIEST PLEASEEE Read the prompt and then write your response, using the guidelines: Your pen-pal from Pu
Calculate the slope of the line that goes through the points (2, 0) and (−4, 6)
Work out the value of x
Choose the word that is most likely to be mispronounced. escape run me Choose the word that is most likely to be mispronounced. March June February Choose t
formula of area of a semicircle
On a farm, 34 of each acre is planted with blue spruce trees. If there are 16 12 acres of trees on the farm, how many acres are planted with blue spruce trees?
If x is 6, then 7x = _____.
