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

Otras preguntas

3. The boy has a near-death illness. What does the father seriously consider doing? Why?

I will give brainliest for first correct answer Solve this system of equations: 2x+4y=10 4x+8y = 20

A submarine descends at a constant rate of 300 feet per minute. Which of the following equations best represents how to find the change of altitude of the subma

What should a writer do to revise an argumentative essay? Select three options. O remove any personal statements O make sure the tone is objective O make the w

When developing a teaching plan for a client who is taking insulin, which of the following foods would the nurse suggest the client carry with him to treat mild

Formany years, reading instruction was based onaconceptof readingastheapplicationofasetof

If A is a 5 x 7 matrix, then the linear system Ax = b (where b is a 7 x 1 matrix) is underdetermined.a. trueb. false

Best Buy was having a sale on all flat screen tvs the sale price of a 350 tv was 280 what was the discount rate

For a ladder to be stable the angle that is makes with the ground should be no more than 78 degree and no less then 73 degrees. What are the minimum and maximum

Calculate the length of line x 15 10 6