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Answer:
Explanation:
Step 1: Subtract 3 from both sides
Step 2: Square both sides
x = 16
7 = 3 + sqrt(x)
Subtract 3 from each side
7-3 = 3-3+sqrt(x)
4 = sqrt(x)
square each side
4^2 = (sqrt(x))^2
16 =x
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