SOLUTION: Pls assist in solving this equation involving surd :{{{7-sqrt( x-4) =3}}}

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Question 942855: Pls assist in solving this equation involving surd :7-sqrt%28+x-4%29+=3
Found 2 solutions by Alan3354, MathLover1:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
7-sqrt%28+x-4%29+=3
Subtract 7
Square both sides

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

7-sqrt%28+x-4%29+=3
7-3+=sqrt%28+x-4%29

4=sqrt%28+x-4%29....square both sides
4%5E2=%28sqrt%28+x-4%29%29%5E2
16=+x-4
16%2B4=+x
x=20