SOLUTION: x + y=8 over x

SOLUTION: x + y=8 over x - y =-10

Question 245999: x + y=8 over x - y =-10
Found 2 solutions by ripplemehta, mathitutor:
Answer by ripplemehta(3) (Show Source): You can put this solution on YOUR website!
x+y=8
x-y=-10
adding the two equations we get
2x=-2
x=-1
so x+y=8
y=8-x
y=8-(-1)=8+1=9
solution set(-1,9)
Answer by mathitutor(25) (Show Source): You can put this solution on YOUR website!
x + y = 8 ---(1)
x - y = -10 ---(2)
(1) + (2) gives,
2x = -2 => x = -1
put the value of x in 1, -1 + y = 8
=> y = 8 + 1 = 9
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