Caden12 Caden12

10-05-2016
Mathematics

contestada

3x-2y=12 and 2x+4y=16

Respuesta :

apologiabiology apologiabiology

10-05-2016

eliminate
multiply first equation by 2
6x-4y=24
add to other equaiton

6x-4y=24
2x+4y=16 +
8x+0y=40

8x=40
divide 8
x=5
sub
2x+4y=16
2(5)+4y=16
10+4y=16
4y=6
divide 4
y=6/4=3/2

(5,3/2)

Answer Link

Otras preguntas

Write an expanded bibliography of about 4000 words on 48,XYYY (and other Y chromosome duplications).

In a present worth analysis of a certain equipment, one alternative has a net present worth of +$420, based on a 6 year analysis period that equals the useful l

is not a type of terrorist group used by the Council on Foreign Relations. Group of answer choices Pro-government groups Leftist Groups White Supremacist Gro

What is the mass of oxygen?

What is the purpose of the Blackboard Architecture? 1) To enable multiple solvers, using different algorithms, to coordinate to find the global optimum for a fu

President Andrew Johnson, who ascended to the presidency after the murder of Abraham Lincoln, helped to re-establish White Supremacy in the American South by li

Solve the following exponential equation. Express irrational solutions in exact form and as a decimal rounded to three decimal places: 7(2x) + 7(x+1) - 60=0a. x

What is the income distribution?

Is the doom loop and flywheel real? How could they impact your long term care community?

Better health services are likely to have resulted in ... 1) higher infant mortality rate 2) a decrease in the need for health services 3) an increase in air po