Seudónimo Seudónimo
  • 23-01-2017
  • Mathematics
contestada

What is the y-coordinate of the solution for the system of equations?

{x−y=12
{27+3y=2x

Enter your answer in the box.
y =

Respuesta :

Аноним Аноним
  • 25-01-2017
First equation is: x - y = 12
x = 12 + y

Now, substitute this in 2nd equation, 
2x - 3y = 27
2(12+y) - 3y = 27
24 + 2y - 3y = 27
-y = 27 - 24
y = -3

In short, Your Answer would be -3

Hope this helps!
Answer Link

Otras preguntas

if 9^x-9^x-1=24, then find the value of (6x)^x
How is 'hearing' a motif in the novel A Separate Peace by John Knowles?
Why are the irish famous for drinking?
Find the slope of the line that passes through each pair of points
Iliada went to Minewaska state park one day this summer. All of the people at the park were either either hiking or bike riding. There are 178 more hikers than
Iliada went to Minewaska state park one day this summer. All of the people at the park were either either hiking or bike riding. There are 178 more hikers than
solve using the substitution and elimination method 3a-12b=9 4a-5b=3 can someone please help?
What kind of molecule is an enzyme? Why are enzymes important in cell?
How is 'hearing' a motif in the novel A Separate Peace by John Knowles?
Why are the irish famous for drinking?