13=3r

Rewrite the equation as 3r=13.

3r=13

Divide each term in 3r=13 by 3.

3r3=133

Cancel the common factor of 3.

Cancel the common factor.

3r3=133

Divide r by 1.

r=133

r=133

r=133

The result can be shown in multiple forms.

Exact Form:

r=133

Decimal Form:

r=4.3‾

Mixed Number Form:

r=413

Solve for r 13=3r