swappuppet77
swappuppet77 swappuppet77
  • 17-11-2020
  • Mathematics
contestada

solve 2x+y=3.5,-x+2y=2.5

Respuesta :

smitheldan13 smitheldan13
  • 17-11-2020

Answer:

y=1.7

x=.9

Step-by-step explanation:

Answer Link
cupcakepoopeedoop
cupcakepoopeedoop cupcakepoopeedoop
  • 17-11-2020

Answer:

x = 1.75 -y, y = 1.25 + x

Step-by-step explanation:

Part One

2x + y = 3.5

Divide

x + y = 1.75

Move the variable and change its sign

x = 1.75 -y

Part Two

-x + 2y = 2.5

Divide

-x + y = 1.25

Add

y = 1.25 + x

Answer Link

Otras preguntas

Describe the limitations of using models to represent atoms
reasons why using mirrors to generate electricity is not a common practice.
The periodic table shows that a carbon atom has six protons. This means that a carbon atom also has...
Why are different constellations of stars seen during different seasons?
really dont know what to do ..
Rebecca scored 60 out of 75 in her end of year test. What percentage mark did her teacher give her?
Which of the following is incapable of reproducing outside a host cell? -alga -mold - moss -virus
eassy on hard work leads to success
can someone help me with this problem
have many times does 246 go into 6