Respuesta :

smartiepants4200

Answer:

21.5

Step-by-step explanation:

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mahdiyarsalavati

Answer:

[tex]x = 21.5[/tex]

Step-by-step explanation:

[tex](x + 3)2 = 49 \\ \\ 2x + 6 = 49 \\ 2x = 49 - 6 \\ 2x = 43 \\ \\ x = \frac{43}{2} \\ \\ x = 21.5[/tex]

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