kyliemo2003
kyliemo2003 kyliemo2003
  • 01-02-2017
  • Mathematics
contestada

Solve the system of equations.

3x+5y=9
3x+2y=3

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 01-02-2017
eliminate
multiply 2nd equtaon by -1 and add to first

3x+5y=9
-3x-2y=-3 +
0x+3y=6

3y=6
divide by 3
y=2

sub back

3x+2y=3
3x+2(2)=3
3x+4=3
minus 4 both sides
3x=-1
divide by 3
x=-1/3

(x,y)
(-1/3,2)
Answer Link

Otras preguntas

Do kelp have nuclei, and organelles?
Seventy-five percent of what number is 33.75? A.144 B.25.3125 C.45 D.27
The diameter of a quarter it's about 2.4 cm what is the ratio of the radius of the quarter to the diameter of the quarter
Which products did the people of medieval England exchange for goods from the East? woolen fabrics spices silks perfumes
Why is the intensity of an earthquake strongest in the epicenter
A single tennis court is 75% the width of a doubles tennis court. The singles court is 27 feet wide. How wide is the doubles court?
PLEASE HELP!!!! :) Farmers in the northern Indo-Gangetic plain of south Asia rely mostly on: A. Water carried by rivers that drain from the Himalayas B. Cool ai
use the circle graph to determine how many hours per day Becky spends on each activity
what would you call the segment that connects the edges of the penny and passes through the center?
The word ecology is made up of two Greek words, oikos and logia, and means "_____." house knowledge life logic house logistics environmental knowledge