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

word form for 600,000+80,000+10

The part of cell division that causes the separation of the cytoplasm is _____? Mitosis,Meiosis,Cytokinesis

30% of a number is one-thirtieth of x, find the initial expression as a fraction of x

There are 21 students in Mr.Tentlers class The students divided themselves evenly into 3 groups.how many students are in each groups?

What factors shaped American imperialism?

What is 100,203 in expanded form

write the name given to a large area of sea or ocean that is partially enclosed and is larger than a bay

What is the estimate for 137,638+52,091

if five notebooks cost $5.25 , how much would three notebooks cost?

Which of the following is not a famous Spanish artist?a.Kahloc.Goyab.Picassod.Dalí