Question

How do you do this ?

Answer 1

Good morning ☕️

______

Answer:

4

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Explanation:

Just solve the equation 5-√x = 3

So, let’s solve it:

5-√x = 3 ⇔ 5-3=√x ⇔ √x = 2 ⇔ x=4

Then ?=4

:)