SOLUTION: solve the system of linear equations x+y=-6 -x+y=6

Algebra.Com
Question 1000839: solve the system of linear equations
x+y=-6
-x+y=6

Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
solve the system of linear equations
x+y=-6
-x+y=6
--------------------------------------

Add the first equation and the second.  You will get

2y = 0.

Hence,  y = 0.

Substitute it into the first equation.  You will get

x + 0 = -6,

x = -6.

Answer.   x = -6,  y = 0.


Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

solve the system of linear equations
x+y=-6
-x+y=6
 

RELATED QUESTIONS

-3x-y=-6 y-4z=11 x-2y+z=-7 solve the system of linear... (answered by josh's girl)
please help me solve the system of linear equations x-y=3... (answered by stanbon)
Use the substitution method to solve the following system of linear equations: x + y... (answered by stanbon)
Solve the system of linear equations. x/4 - y/11 = -9/44 x/6 - y/13 =... (answered by CharlesG2,drk,richwmiller)
Usesubstitution to solve the system of linear equations. x+4y=-6 x=5-(y/3) What is (answered by josgarithmetic,MathTherapy)
Solve the following system of linear equations giving the solution as a coordinate... (answered by Fombitz)
Solve the following system of equations for x: x+y=6... (answered by Boreal,MathLover1)
Use linear combinations to solve the system of linear equations. y=x-9... (answered by stanbon)