kendramiller8551 kendramiller8551

01-03-2018
Mathematics

contestada

Solve the following system of equations by using the substitution method.
x = y + 3
2x + y = 9

(4, 1)

(5, 2)

(3, -2)

Inconsistent

Respuesta :

WaleMaths WaleMaths

04-03-2018

x = y + 3
2x + y = 9

Solution..
---------------

Substitute for x=y+3 in the second equation...

2x+y = 9

2(y+3)+y=9

2y+6+y=9
3y+6=9
3y=9-6
3y=3
y=3/3
y=1....

Substitute for y=1 in the first equation...

x=y+3

x = 1+3
x=4..

Am sure the answer is quite evident now...

Answer Link

Otras preguntas

What central idea does wollstonecraft explicitly state in this passage? a lack of education will not make women care only about household issues. women are natu

El clima de la costa Guatemalteca es tropical, es decir es ______________________.

A map has a scale of 6 in : 26 mi. If Clayton and Clinton are 52 mi apart, then they are how far apart on the map?

What nursing actions best promote communication when obtaining a nursing history? select all that apply?

Explain how an enlargement or a reduction in the dimensions of a building would cause a change in the scale factor.

Use factoring to simplify the expression x^2-x-6/x-3 assume that x does not equal 3

Tyra makes $21.40 per hour at her job for the first 40 hours and $32.10 for anything over 40 hours. if tyra typically works 45 hours per week, how much does she

List and briefly describe each of the five strength training principles. (Site 1)

Which Romantic poet said, “I think I shall be among the English Poets after my death,” before dying of tuberculosis at 25? A. Lord Byron B. Samuel Coleridge

epistrophe literary definition