Question

Steps included or some steps, thank you!

Answer 1

Answer: x = -3/4

Step-by-step explanation:

Remember:

$\sqrt{a}=b\\\\a=b^2$

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$\frac{\sqrt{4x + 19} }{2} = 2\\\\\sqrt{4x + 19} = 4\\\\(4x+19)=4^2\\\\4x +19 = 16\\\\4x=16-19\\\\4x = -3\\\\x =\frac{-3}{4}$