02-11-2016
Mathematics

contestada

solve by substitution 3y-2x=10 and x=9-2y

Respuesta :

babygirl0328 babygirl0328

02-11-2016

3y-2(9-2y)=10
3y-18+4y=10
-y-18=10
-y=28
y=-28
3(-28)-2x=10
-84-2x=10
-2x=94
x=-47
so x is -47 and y is -28

Answer Link

Otras preguntas

Wapi simplified an expression. His work is shown below.

Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. Together they charged a total of $1550. Wha

For a home sound system, two small speakers are located so that one is 52 cm closer to the listener than the other. What is the very first frequency of audible

The length of a rectangle is 5 centimeters less than twice its width. The perimeter of the rectangle is 80 cm. What are the dimensions of the rectangle?

Name the greatest geological dangers on our planet.

Which of the following are progressive taxes? Select all that apply. A. amusement tax B. estate tax C. income tax D. luxury tax E. property tax F. sa

Which statement strays from the topic of a proposed leash law? (a) I feel safer when I see that a dog is on a leash. (b) Leashes keep dogs from running int

20pts for question helpp Which statement best compares Mercury and Earth? Mercury has very little atmosphere, but Earth has an atmosphere consisting of oxygen.

what is characteristic of grendel that is mentioned in the story

To move the insertion point to another location on the screen, users can use: the clipboard click to type arrow keys scroll bars