SOLUTION: rootx y=11.......(1) and rootx-y=7......(2) find the valu of x and y

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Question 981026: rootx y=11.......(1) and rootx-y=7......(2) find the valu of x and y
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28x%2By%29=11
sqrt%28x-y%29=7
Square both sides of each equation.
x%2By=121
x-y=49
Now add,
x%2By%2Bz-y=121%2B49
2x=170
x=85
Then,
85%2By=121
y=36