15-02-2018
Mathematics

contestada

-8x+y=9 and 5x-y=3 solved by substitution- thank you in advance :)

Respuesta :

cineusstanleyy cineusstanleyy

15-02-2018

-8x + y = 9
5x - y = 3

- 3x = 12
x = -4

5(-4) -y = 3
-20 - y = 3
-y = 20 + 3
- y = 23
y = - 23

Answer Link

Otras preguntas

Deer Creek Middle School is having an outdoor activity day. Each grade can have several teams, but the size of the team must be the same for each grade. There a

What were the three reasons for the rapid spread of western imperialism

How did the attitudes toward slavery held by abolitionists, Free-Soilers, and Know-Nothings differ?

Tell whether the table represents an exponential function. Either way, write the rule for the function . X Y -1 -11 0 -7 1 -3 2 1

I locked my OSHA. how long till i get it back?

What the answer for Extended Response on the story The Cat That Walked by Himself by Rudyyard Kipling?

Explain why dave refers to handling identity theft as having a new "hobby."

Check my steps and for part b, the professor wants us to show are work and I don't know how to solve it by hand.

How much would $500 invested at 3% interest compounded continuously be worth after 6 years? Round your answer to the nearest cent.

A study conducted on 40,000 words in the English language found that about 6,670 words started with the letter T, which is the most common letter to start a wor