JoySesay JoySesay

08-09-2015
Mathematics

contestada

solve the system using substitution {4y+19=× 3y-×=-13

Respuesta :

crisforp crisforp

08-09-2015

3y - ( 4y + 19 ) = - 13 ;
3y - 4y - 19 = - 13 ;
- y - 19 = - 13 ;
-y = 19 - 13 ;
-y = 6 ;
y = - 6 ;
Then, x = 4 * ( - 6 ) + 19 ;
x = - 24 + 19 ;
x = - 5 ;
The solution of the system is x = - 5 and y = - 6 ;

Answer Link

Otras preguntas

Find the solution to the equation 3x + 1 = 6x + 1

math help!!!!!!!!!! please

Calculate the momentum of a 1950 kg elephant charging a hunter at a speed of 7.50 m/s. (b) Compare the elephant's momentum with that of a 0.0400 kg bullet fired

Why was the Middle Ages period once reffered to as the Dark Ages ?

Martha invited 4 friends to go with her to the movies. There are 120 different ways in which they can sit together in a row of 5 seats, one person per seat. In

Find the angle ? between the vectors. (Round your answer to two decimal places.) u = (0, 4), v = (5, ?3), = u1v1 + 3u2v2

1.64698101 rounded to the nearest hundred-thousandth is?

Jay, age 50, is finally comfortable with himself. He is more independent, assertive, and committed to his personal values than he was in early adulthood. Jay pr

What goods are available to all without direct payment? private goods public goods common goods toll goods

What is the maximum volume flow rate, in m^3/hr, of water at 15.6°C a 10-cm diameter pipe can carry such that the flow will be laminar?

good job