216r+8r-1=

Solution for 216r+8r-1= equation:

Simplifying
216r + 8r + -1 = 0

Reorder the terms:
-1 + 216r + 8r = 0

Combine like terms: 216r + 8r = 224r
-1 + 224r = 0

Solving
-1 + 224r = 0

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 224r = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 224r = 0 + 1
224r = 0 + 1

Combine like terms: 0 + 1 = 1
224r = 1

Divide each side by '224'.
r = 0.004464285714

Simplifying
r = 0.004464285714