SOLUTION: Solve using addition property x+y=k x-y=k

Algebra.Com
Question 624385: Solve using addition property
x+y=k
x-y=k

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
x+y=k
x-y=k
-------
2x = 2k

x = 2k/2

x = k

------------------------------------

x+y = k

k+y = k

y = k-k

y = 0


So the solutions are x = k and y = 0

RELATED QUESTIONS

Solve these equations using the addition property. x + y = k x - y = k The lines (answered by Alan3354,jim_thompson5910)
Solve these equations by addition. x + y = k x - y = k The lines intersect at... (answered by drk)
Solve these equations using the addition property. 2x + y = -2 x + y = 5 The... (answered by Alan3354)
x+y=4 -x+y=2 solve using... (answered by jim_thompson5910)
Write an expression equivalent to 3(x+y)using the commutative property of addition (answered by fcabanski,nieljonash)
How can I rewrite the expression x+(y+-z)using the associative property of... (answered by tommyt3rd)
K=x-(y-1) solve for... (answered by Alan3354)
can you name the property illustrated by each 1.x + y = y + x 2.k + 0 = k (answered by stanbon)
x+y=k;(2,5) (answered by 41393)