Question

What is 0=r-1 ......

Answer 1

`\huge \boxed{r=1}`

Explanation:

`0=r-1`

Adding 1 to both sides.

`0+1=r-1+1`

`1=r`

Answer 2

the answer is1

Explanation:

ok its actually simple

you add the 1 by moving it to the left of the 0 to get

1+0=r

you do the problem to get

1=r

so the answer is

1