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

You are the Marketing Director of ‘Green Products’ enterprise and you want to purchase some eco- friendly products such as lunch sheets, coffee cups, hand bags
The passage indicates that the king was not only a builder, but also
A new coffee shop is being built. Its location is the reflection of the arcade's coordinates across the y-axis. Which procedure will find the correct distance b
In addition, the US military biochemical laboratory program is suspicious. New results from retesting of blood samples from two laboratories in Italy and the Ne
factors that must be considered before starting up the business
can you help me please?
When you are lifting weights or engaging in other kinds of exercise that target specific muscle groups, the primary focus is on which type of muscles? A. smoot
a team's stadium has a capacity of 86,047. The fan base is notorious for selling out of tickets every game. If every game sells out this year, how many tickets
A kindergarten class had a total of 15 boys 9 girls , what is the ratio of girls to boys in that class ?
Economic importance of Angiosperm and Gynosperm