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

??????????????????????????

In the experiment "Beer-Lambert’s Law and Spectrophotometry", you prepared a calibration plot similar to the one pictured below. What is the approximate concent

To what extent does Eric Foner believe the Fourteenth Amendment has secured rights for all Americans?

evaluate expression when a=5 b= -3 6a-b

what are the advantages and disadvantages of migration in economics

Single parenting negatively affects children's physical and mental development and should be discouraged. Do you agree or disagree? Please help me brainstorm so

In the ________________ economies, history, culture, and past actions determine the answers to the three economic questions. Group of answer choices

Find the value of x.

How to solve this step by step n get the answer

Which of the following Latin roots would help you determine that an unfamiliar word is talking about a person who wants to fight? O A. Anima O B. Aud O c. Belli