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

In a particular jurisdiction, taxi fares consist of a base fare of $4.00, plus $0.25 for every 140 meters traveled. Write a function that takes the distance

AM I CORRECT?!??!?!??!?!?! PLZ ANSWER ASAP. TYSM IF U DOOOOOOOOOOO. I WILL GIVE BRAINILEST TO FIRST CORRECT ANSWER.

4 ejemplos de cine de ciencia ficcion

Which of the following is an equation of the line in the graph? the choices: A. 3x − y = 4 B. 3x + y = 4 C. −3x − y = 4 D. −3x + y = 4

Which of the following activities is most likely to result in nutrient pollution? a. cutting down trees b. pouring motor oil down the drain c. excess fertilizer

broadest to narrowest topic

Someone pls help me I will make you brain

Use the Pythagorean Theorem to find the diagonal. a- 60 b- 84.85 c- 10.95 d- 7.74

Arizona is EAST of which of these states? A.Texas B.Florida C.California D.Missouri

HELPPP ASAP!!! After an ecological disturbance, pioneer species move in and facilitate the process of succession by _______. A. going to Costco and buying plent