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 ( 31+ )
Otras preguntas
A savings account with simple annual interest rate of 3.92% and an initial deposit of $5,460.75 yields a final account balance of $6,370.51 after 51 months. Par
Hello my beautiful world
how many distinct sequences of four letters can be made from the letters in problem if each letter can be used only once and each sequence must begin with l and
help me find the answer please?
Dilate quadrilateral ABCD using P as the center and the following scale factors: IN RED: Scale factor of 1/2. Label the image A'B'C'D'. IN BLUE: Scale factor of
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
Which of the following statements is true? A) In the long run, the average cost curve is always downward sloping. B) In the long run, the quantities of all inpu
Please help me topic "rational equation and inequitiesA. Solve each rational equations. Determine the restrictions of the variables.
Show that the equation 1/60 = 2x+50/x(x+50) is equivalent to x²-70x-3,000 = 0 for all values of x not equal to 0 or -50. Explain each step as you rewrite the or
Dilate quadrilateral ABCD using P as the center and the following scale factors: IN RED: Scale factor of 1/2. Label the image A'B'C'D'. IN BLUE: Scale factor of
