22.5 because its counting by 4.5
The restrictions are what the denominator can not be. The denominator cannot be zero. So if the denominator has x+1 in it. If you put -1 in place of x. You would get zero. -1 is a restriction
Benji’s error is that the division should happen BEFORE subtracting 3. 3 should be subtracted from the quotient.
The correct response should be: (n/9)-3
180(n-2)=n*144 in our casesolving for n we obtain:36n = 360n=10 sidesCHECK!!!!!!!!!!!!!!!!!!!