Skip to main content
Solve for r
Tick mark Image

Similar Problems from Web Search

Share

-r-13=3\left(r+5\right)-16
Combine 5r and -6r to get -r.
-r-13=3r+15-16
Use the distributive property to multiply 3 by r+5.
-r-13=3r-1
Subtract 16 from 15 to get -1.
-r-13-3r=-1
Subtract 3r from both sides.
-4r-13=-1
Combine -r and -3r to get -4r.
-4r=-1+13
Add 13 to both sides.
-4r=12
Add -1 and 13 to get 12.
r=\frac{12}{-4}
Divide both sides by -4.
r=-3
Divide 12 by -4 to get -3.