Seudónimo Seudónimo
  • 25-03-2015
  • Mathematics
contestada

Name the y value of the solution to the system of equations.
Use substitution:

-4x + y = 6

-5x - y = 21

Respuesta :

crisforp
crisforp crisforp
  • 25-03-2015
y = 4x+ 6 and y = -5x - 21 ;
4x+  6 = -5x - 21 ;
9x = -27 ;
x = - 3 ;
y = - 6 ;

Answer Link

Otras preguntas

If x = -2 and y = 3, by how much does 2y2 - x exceed 2x2 - y?
Find product of this expression. 4/4*2 pounds
A bacteria population increases every hour. At 12 P.M., there are 5 cells. At 1 P.M., there are 10 cells. At 2 P.M., there are 20 cells. At 3 P.M., there are 40
A satellite orbits earth in a circular orbit. Does Earth's gravity do work on the satellite? Explain.
Who wrote the mayflower compact
Juliana buys 7.5 meters of ribbon to make bows. She wants to use the same amount of ribbon for each bow. If she makes 5 bows, how many meters of of ribbon shoul
How is a homozygous trait written in a Punnett Square?
the black death killed over one third population how did this affect medieval europe
Select the favorable outcomes for rolling double sixes. A(6-5) B(6-3) C(6-6) D(6-1)
Are the characters in “Let a circle be unbroken” real or imagined?