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

A student is writing a paper comparing the voting rules between states. Which of the following sites would be the most reliable resource with minimal bias for i

The cost of pumpkin seeds is proportional to their weight. A 24-ounce bag of pumpkin seeds costs $6.00. What is the unit rate for the pumpkin seeds? $0.24 per o

The height ,h, in feet of a baseball that is popped up into the air is a quadratic function of the time,t, in seconds, since it was hit. An equation that may mo

Linear system word problem

decimal that is equivalent to 7/8

please please what is 2*2

Which two interconnected concepts does Carson McCullers develop in this excerpt from "Loneliness . . . an American Malady"? Love is affirmation; it motivates th

What is the main question I am trying to answer in the NHD project?

Simplify the expression. 7x + 7 +5(x + 3) + 3

A music player was marked down by 1/4 of the original price. a. If the sales price is $128, what is the original price? b. If the music player was marked up by