I'm solving this:

And am trying this way:Code:3 – 7 * (1 - 2x) = 5 – (x + 9)

What should be done in the part I put those question marks?Code:3- 7 * (1 - 2x) = 5 - (x + 9) 3 - 7 ..?? ?? = 5 - x - 9)

I'm really lost.

Thanks in advance for any help.