SOLUTION: Solve the following system of simultaneous linear equations 3x-5y=6 -3x-5y=4

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solve the following system of simultaneous linear equations 3x-5y=6 -3x-5y=4      Log On


   



Question 261735: Solve the following system of simultaneous linear equations
3x-5y=6
-3x-5y=4

Found 2 solutions by stanbon, checkley77:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
3x-5y=6
-3x-5y=4
--------------
Add to get:
-10y = 10
y = -1
---
Substitute and solve for "x":
3x - 5*-1 = 6
3x + 5 = 6
3x = 1
x = 1/3
---------------
Cheers,
Stan H.

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3x-5y=6
-3x-5y=4 add
------------------
-10y=10
y=10/-10
y=-1 ans.
3x-5-1=6
3x+5=6
3x=6-5
3x=1
x=1/3 ans.
Proof:
-3*1/3-5*-1=4
-1+5=4
4=4