Question

what is the answer to 6=1-2n+5?

Answer 1

I think it is 0
6= 1-2(0)+5
6=1-0+5
6=1+5
6=6
You should check just in case.

Answer 2

$6=1-2n+5$
$6-1-5=-2n$
$0=-2n$
$0=n$

$6=1-2(0)+5$
$6=1-0+5$
$6=6$