SOLUTION: Im getting stuck on this system of equation by subtitution:
Exercise 1 x=3y+7
x=2y-1
Exercise 2 xy=-12
x-2y+14=0
Algebra.Com
Question 729953: Im getting stuck on this system of equation by subtitution:
Exercise 1 x=3y+7
x=2y-1
Exercise 2 xy=-12
x-2y+14=0
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
1)
x=3y+7
x=2y-1
2y-1=3y+7
-y=8
y=-8
-------------
x=3*-8+7
x=-24+7
x=-17
------------
x=2y-1
-17=2*-8-1
-17=-17
RELATED QUESTIONS
Im getting stuck on this system of equation by subtitution:
Exercise xy=-12... (answered by Alan3354,josgarithmetic)
WHAT DOES IT MEAN BY SUBTITUTION WITH THIS PROBLEM
3X-5Y=-12
X+... (answered by elima)
solve by subtitution:
1/5x + 1/2y = 8
x +y = 20
solve by subtitution:
6x + 5y = -3
(answered by checkley77)
Solve for X, Y, and Z in the following equations:
c. 22X + 5Y + 7Z = 12
10X + 3Y +... (answered by Alan3354)
Use subtitution method to solve the linear system. Show work please.
x+y=4 equation 1... (answered by jim_thompson5910)
This my system of linear equation problem.
3x+2y = -1
5x+4y = 0
I get this step... (answered by mananth,josgarithmetic)
Wow! If this actually works, Im very impressed by this free algebra/tutoring resource. I... (answered by venugopalramana)
x+2y-Z=-7
2x+3y+4z=1
3x-2y+2=11
solve this system of equation using a matrix... (answered by Fombitz)
Solve each system by elimination(show work)
12.-x+3y=-1... (answered by Alan3354)