Question

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Answer 1

Answer:

$x=-11$

Step-by-step explanation:

$\sqrt{5-x}=4$

Square both sides:

$(\sqrt{5-x})^2=4^2$

$5-x=16$

Subtract 5 from both sides:

$5-x-5=16-5$

$-x=11$

Divide both sides by -1:

$\frac{-x}{-1}=\frac{11}{-1}$

$x=-11$

Answer 2

Answer:1

Step-by-step explanation: