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

1)questionthe rate of piece of gift paper is Rs. 0.40 per paper. how many pieces of paper can we purchase for Rs. 78.402)questionA shopkeeper sold a toy for Rs.
Actual distance = _ miles
which word below completes this synonym/antonym analogy? failure: success:: forget: A. remember B. ignore C. disregard D. neglect
1.) (-4,-3); m=2/3 given point, then graph a line with the given slope
Un atome de cuivre a une masse de 10-25 kg. Quel est le nombre d'atomes de cuivre dans : 1. un kilogramme de cuivre? 2. un gramme de cuivre?
I'm not good with this type of thing in math so I need help. 1 .▲PQR has angle measures of 108 degrees, 33 degrees, and x degrees. Describe how to find the mis
__________ in animal cells involves the pinching of the cell's __________ until the two newly formed cells separate.
In tge sentence " I would like to know the answer. The phrase to know the answer is a?
1.) (-4,-3); m=2/3 given point, then graph a line with the given slope
one should not boast for his success ( one’s success)