SirCaesar SirCaesar
  • 12-01-2020
  • Mathematics
contestada

Solve each system by elimination

Z=2x-3y-7
Y=0
-2y+z=3

Respuesta :

sasha0013
sasha0013 sasha0013
  • 12-01-2020
Sub in for y for 0 and z for -2x-3y-7
-2(0)+2x-3(0)-7=3
Then simplify
2x-7=3
Then add 7 to both sides
2x=10
Then divide by 2
x=5
Then sub in x and y for the equation for z
Z=2(5)-3(0)-7
Then simplify
Z=10-7
Then solve
Z=3
Y=0
X=5
Answer Link

Otras preguntas

what Battle proved to be the single bloodiest day in American history.
Let n = 5. What is the value of 4n − 3? A. 8 B. 17 C. 20 D. 23
The plasma membrane has a double layer of phospholipids with _____ dispersed throughout.
How might the history of South America and Mexico have been different if the Spanish had not discovered gold and silver there
Please give answers ! 17 points please help
Summarize the role of technology in efforts to explore space.
What did the Framers of the Constitution do to prevent religious conflict?
The moon outside is very large, but you cannot see all of it. The calendar shows that the moon was invisible just less than two weeks ago. What phase is the moo
PLEAS EHELP PLEASEEEEEE
What is .49735 written in scientific notation