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

Compare the decimals 180.4 and 180.40. Which comparison is correct? A. 180.4 = 180.40 B. 180.4 < 180.40 C. 180.4 > 18.40
Index fossils are used for __________ dating.
Why does the police officer apologize for stopping gatsby?
F(m)=117m+3. What does 117 represent?
Which city is located at approximately 51° N, 0°?
What are the natural rights with which people are born, according to john locke?
Of the following organisms, which is more likely to be very slow to respond to stimuli? A: Animal B: Plant
Help Please!! Which statement is True? A.) Gravity is the force of attraction between two objects with mass and is dependent on the distance between these obje
To give your app users the ability to open your app directly from other apps by clicking a link, you should use:.
Sometimes a new experimental result may seem to go against a well-established scientific theory. Which statement BEST describes a scientific response to such a