8r-1=1r

Solution for 8r-1=1r equation:

Simplifying
8r + -1 = 1r

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

Solving
-1 + 8r = 1r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-1 + 8r + -1r = 1r + -1r

Combine like terms: 8r + -1r = 7r
-1 + 7r = 1r + -1r

Combine like terms: 1r + -1r = 0
-1 + 7r = 0

Add '1' to each side of the equation.
-1 + 1 + 7r = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 7r = 0 + 1
7r = 0 + 1

Combine like terms: 0 + 1 = 1
7r = 1

Divide each side by '7'.
r = 0.1428571429

Simplifying
r = 0.1428571429