theman1717
theman1717 theman1717
  • 03-01-2017
  • Mathematics
contestada

I need help solving and checking algerbryically

I need help solving and checking algerbryically class=

Respuesta :

thimegan thimegan
  • 03-01-2017
x-y=1 --> x=1+y
plug it into the first equation 
3(1+y) + 2y = 8
3+3y+2y=8
5y=5
y=1
plug y into the equation to solve for x
x=1+y
x=1+1
x=2
Answer Link

Otras preguntas

Which of the following is the solution set of -2|x| < -8 {x | -4 > x > 4} {x | -4 < x < 4} {x | x < -4 or x > 4}
What is the equation in point slope form of a line that passes through the points (5,-3)
Which of these powers are under the control of the states? A. Administering Elections B. Regulating Commerce C. Coining Money D. Declaring Ward
Historyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
What negative cultural value does the fox most likely represent?
Is black coffee an element compound or mixture
What were some problems Andrew Jackson faced while he was president?
which has a higher frequency electron or a neutron
If your teacher tells you to do questions 28 through 41 in your math book for homework, how many questions is that?(Do not include units in your answer.)
What is the negative reciprocal of 3/4 or three over 4