Solve the Inequality for r 15<3r

$15 < 3 r$

Step 1

Rewrite so $r$ is on the left side of the inequality.

$3 r > 15$

Step 2

Divide each term in $3 r > 15$ by $3$ and simplify.

Divide each term in $3 r > 15$ by $3$ .

$\frac{3 r}{3} > \frac{15}{3}$

Simplify the left side.

Cancel the common factor of $3$ .

Cancel the common factor.

$\frac{3 r}{3} > \frac{15}{3}$

Divide $r$ by $1$ .

$r > \frac{15}{3}$

Simplify the right side.

Divide $15$ by $3$ .

$r > 5$

Step 3

The result can be shown in multiple forms.

Inequality Form:

$r > 5$

Interval Notation:

$(5, \infty)$