Respuesta :

Answer: you add +49 to -49 and +49 to 0 then divide 2 by 49 and get x by itself.

Step-by-step explanation:

PeachyLove

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➷ Add 49 to both sides:

x^2 = 49

Square root both sides:

x = 7

✽

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

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