SOLUTION: I am trying to solve the following system: x+y =1 and x-y =1. thank you.
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Question 59968: I am trying to solve the following system: x+y =1 and x-y =1. thank you.
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
Solve the folowing system.
x - y = 1
x + y = 1
This is the elimination method, add the two equations and the y is eliminated.
x-y=1
x+y=1
______
2x+0=2
2x=2
2x/2=2/2
x=1
Substitute 1 in for x in either equation and solve for y.
1+y=1
-1+1+y=1-1
y=0
The solution (x,y)=(1,0)
Happy Calculating!!!
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