melschell123
melschell123
01-02-2018
Mathematics
contestada
I need help with 3x-y=4 y=6-2x
Respuesta :
sqdancefan
sqdancefan
05-02-2018
Since you have a "y=" equation, this is solved nicely by substitution.
.. 3x -(6 -2x) = 4
.. 5x -6 = 4
.. 5x = 10
.. x = 2
Then
.. y = 6 -2x
.. y = 6 -2*2 = 2
The solution is (x, y) = (2, 2).
Answer Link
VER TODAS LAS RESPUESTAS ( 77+ )
Otras preguntas
Which of the following organelles is common to both prokaryotic and eukaryotic cells?
Which particle of the atom has no charge? A. electron B. nucleus C. proton D. neutron
when was the skateboard have the most potential energy
Which statements about the graph of the function f(x) = 2x2 – x – 6 are true? Check all that apply. The domain of the function is . The range of the function is
For two functions, m(x) and p(x), a statement is made that m(x) = p(x) at x = 7. What is definitely true about x = 7? (2 points)
Help me with 1,2,3 pls thx
How did Martin Luther King, Jr. fight for civil rights?
what is 0.000000028 in scientific notation
Which sentence is written correctly? A. Wendy swims faster than any other girl on the team. B. Madira painted more pictures for the art show than anyone
The mass of one liter of water is about one ____ A : Milligram B : Kilogram C : Gram
