32=r(8)

Solution for 32=r(8) equation:

Simplifying
32 = r(8)

Reorder the terms for easier multiplication:
32 = 8r

Solving
32 = 8r

Solving for variable 'r'.

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

Add '-8r' to each side of the equation.
32 + -8r = 8r + -8r

Combine like terms: 8r + -8r = 0
32 + -8r = 0

Add '-32' to each side of the equation.
32 + -32 + -8r = 0 + -32

Combine like terms: 32 + -32 = 0
0 + -8r = 0 + -32
-8r = 0 + -32

Combine like terms: 0 + -32 = -32
-8r = -32

Divide each side by '-8'.
r = 4

Simplifying
r = 4