67=3.9r

Solution for 67=3.9r equation:

Simplifying
67 = 3.9r

Solving
67 = 3.9r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-3.9r' to each side of the equation.
67 + -3.9r = 3.9r + -3.9r

Combine like terms: 3.9r + -3.9r = 0.0
67 + -3.9r = 0.0

Add '-67' to each side of the equation.
67 + -67 + -3.9r = 0.0 + -67

Combine like terms: 67 + -67 = 0
0 + -3.9r = 0.0 + -67
-3.9r = 0.0 + -67

Combine like terms: 0.0 + -67 = -67
-3.9r = -67

Divide each side by '-3.9'.
r = 17.17948718

Simplifying
r = 17.17948718