Respuesta :

daniel116

Answer:

x=3.5

Step-by-step explanation:

7(3.5)^2=49

7(7)=49

This statement is true after substituting 3.5 for x.

rainboweclipse1

Answer:

x = [tex]\sqrt{7}[/tex]

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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