Respuesta :

gilbertazavedo72

Answer: A. x = 4

Step-by-step explanation:

√x+4 -7 = 1

√x-3= 1

x-3 = 1

x = 4

altavistard

Answer:

x = 60  (Answer C)

Step-by-step explanation:

Ambiguous.  I will assume that you meant:

x+4-7=1  =>  √(x + 4) - 7 = 1

This latter result simplifies to

√(x + 4) = 8

Squaring both sides, we get:  x + 4 = 64, or x = 60  (Answer C)

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