Question

Can anyone please help and explain?

Answer 1

Okay, let's do it like a tutorial, I tell you what to do, and you follow. Okay?

Answer 2

Step 1: Subtract 2 from both sides of the equation. What does that give you?

Answer 3

Ok, thanks

Answer 4

\[3 = \sqrt{7+x}\]

Answer 5

Now, Step 2: Square both sides of the equation.

Answer 6

That gives you 9=7+x. (I was expecting that reply, by the way)

Answer 7

Now step 3: subtract 7 from both side of the equation. Your answer, will come out to be:-

Answer 8

Sorry my connection is quite slow

Answer 9

so x equals 2

Answer 10

Correct.

Answer 11

Thank you so much for your help!!!

Answer 12

:) Glad to be of use.