8r-6=9r

Solution for 8r-6=9r equation:

Simplifying
8r + -6 = 9r

Reorder the terms:
-6 + 8r = 9r

Solving
-6 + 8r = 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-6 + 8r + -9r = 9r + -9r

Combine like terms: 8r + -9r = -1r
-6 + -1r = 9r + -9r

Combine like terms: 9r + -9r = 0
-6 + -1r = 0

Add '6' to each side of the equation.
-6 + 6 + -1r = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -1r = 0 + 6
-1r = 0 + 6

Combine like terms: 0 + 6 = 6
-1r = 6

Divide each side by '-1'.
r = -6

Simplifying
r = -6