Xangoutht
Xangoutht Xangoutht
  • 23-03-2018
  • Mathematics
contestada

slove by elimination

slove by elimination class=

Respuesta :

Аноним Аноним
  • 27-03-2018
Just add the equations and the y-terms will cancel.
-4x + 4y = -16
8x  - 4y = 24
SUM
4x = 8
x = 2
plug into one of the equations and solve
-4(2) + 4y = -16
-8 + 4y = -16
4y = -8
y = -2 
Answer (2, -2)
Answer Link

Otras preguntas

Based on the lesson and your own knowledge, the word croissant is an example of which type of word?
Effective corporate governance is essential in large corporations because corporate ownership (by shareholders) is separated from corporate control (by officers
Locate a famous photograph that appeals to you. It may be either an early photograph or one that is current. Write a short essay description of the photograph t
Each of the following equations was given by a student during an examination. Do a dimensional analysis of each equation and explain why the equation can't be c
James has pennies nickels and dimes in his bank he is has more than $1.60 and less than $2.00 in the bank there are 5 times as many pennies as dimes there is an
Carbon has four electrons in its outer electron shell, therefore: Select one: a. it has a filled outer electron shell. b. it can form four single covalent bonds
PLEASE HELP !!!!!!!!!!!!
Which two statements correctly identify the effect that a switch in narration from third-person omniscient to third-person limited has on a story?
they table a discussion,........?(add a question tag)​
Federic Tudor was an apprentice in what business?