edvin66 edvin66
  • 09-03-2021
  • Mathematics
contestada

x +y=75 10x + y = 15

x y75 10x y 15 class=

Respuesta :

22dicer 22dicer
  • 09-03-2021

Answer:

y=84

Step-by-step explanation:

multiply the top to eliminate the y

-x-y=-75

10x+y=48 and then subtract

9x=-27

x=-9

then plug x in for one of the two equations

-9+y=75 simplify

y=84

Answer Link

Otras preguntas

The majority of the body's magnesium is found in the
HELP!! But when television is bad, nothing is worse. I invite you to sit down in front of your television set when your station goes on the air and stay there
Solve the system of equations using substitution. y = 4x + 6 y = 2x brainly.com
How to multiply a whole number and a mixed fraction?
Two methods used to control annual floods were
The sum of a number and its square is 42.42. find the​ number(s).
The general term signifying the overall lowering of the rock material on the earth's crust is ________.
Suppose you had d dollars in your bank account. You spent $12 but have at least $51 left. How much money did you have initially? Write and solve an inequality t
One of the major inspirations for the social reform movements of the 1840s and 1850s America came from A) The Enlightenment B) The Jungle. C) Uncle Tom's Cab
if a 40 foot tree casts a 16 foot shadow find the length of the shadow cast by a 29 foot tree the lemgth of the trees shadow is __ feet