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 ( 31+ )
Otras preguntas
Half of the sum of 9 and a number
a3 -a2 b2 +b3 when a=(-2) and b=(-1)
Question: Why did I learn English not fast ?
HELP ME PLEASE!!!Which triangle is triangle ABC similar to and why?Options:1. Triangle ABC is similar to triangle GHI by AA Similarity Postulate.2. Triangle ABC
Can someone please help me with problem #1 of the Rational Roots Theorem and Factoring/Solving worksheet? Please show your work.Directions: State the factors of
38. Which of the following reactions is a redox reaction? a) AgNO3 + NaCl → AgCl + NaNO3 b) H2O → H2 + O2 c) NaOH + HCl → NaCl + H
sometimes conflict in a relationship can be healthy to justify the statement
Explain the NAture Vs. Nurture Argument. In your analysis you must include the ideas of instincts, drives, and tabula rasa
An object is dropped from rest. Calculate its velocity after 2.5 s, if it is dropped on earth where acceleration due to gravity is 9.8 m/s^2
$4500 5.5% for 4 1/2 years
