sadykovam1
sadykovam1
23-05-2017
Mathematics
contestada
Solve by elimination
5x-y=12
3x+2y=2
Respuesta :
c00lb34n5
c00lb34n5
23-05-2017
(2)5x-y=12
3x+2y=2
10x-2y=12
3x+2y=2
13x=2
x=0.15
Answer Link
apologiabiology
apologiabiology
23-05-2017
eliminate y
time first equation by 2 an add them together
10x-2y=24
3x+2y=2 +
13x+0y=26
13x=26
divide both sides by 13
x=2
sub back
3x+2y=2
3(2)+2y=2
6+2y=2
minus 6
2y=-4
divide 2
y=-2
(x,y)
(2,-2)
Answer Link
VER TODAS LAS RESPUESTAS ( 88+ )
Otras preguntas
With the advice and consent of the Senate, the President may appoint ambassadors, other public ministers and consuls, judges of the Supreme Court, and all other
I require the following ingredients to make 15 fruit cocktails: 10 litres of pineapple juice 6 pints of orange juice 7 lemons How many pints of orange juice wil
A helium balloon has a volume of 735 mL when it is at ground level. The balloon is transported to an elevation of 5km, where the pressure is only 0.8atm. At thi
On a number line, show all values of x for which x>3 russian math problem need answer fast
factor a higher degree polynomial x^4+5x^3+4x+20 polynomials foctorization
Suppose x = 1 Then x2 = x x2 - 1 = x - 1 (x - 1)(x + 1) = x - 1 (x + 1) = 1
What is the slope of the line shown below?(-1, 6) (2, -3)A. 3 B. 1/3C. -3D. -1/3
I WILL MARK YOU AS BRAINLIEST!!!:))
10 points what are all the genres of music
−4x − 5y − z = 18 −2x − 5y − 2z = 12 −2x + 5y + 2z = 4
