Question

Hi can you help please?Why do we divide 6 by 6 and not do 6-6 to isolate n

Answer 1

we have the expression

$-1=\frac{-2+n}{6}$

Solve for n

step 1

Multiply by 6 on both sides, to remove the fraction

-6=-2+n

step 2

subtract 2 on both sides

-6-2=n

n=-8