SOLUTION: Please help me figure out how to do this problem. Thanks sqrt(x+13) =5

SOLUTION: Please help me figure out how to do this problem. Thanks sqrt(x+13) =5

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Question 90476: Please help me figure out how to do this problem. Thanks
sqrt(x+13) =5
Answer by bucky(2189) (Show Source): You can put this solution on YOUR website!
Problem:
.

.
solve for x.
.
Begin by squaring both sides. When you do that the equation becomes:
.

.
which becomes:
.

.
solve for x by subtracting 13 from both sides to get:
.

.
The solution, therefore, is
.
Check by substituting 12 for x in the original equation:
.

.
Add the terms in the parentheses:
.

.
The square root of 25 results in +5, so the equation is true and the answer x = 12 works.
.
Hope this helps you to understand the problem.
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