32=r(2-4)

Solution for 32=r(2-4) equation:

Simplifying
32 = r(2 + -4)

Combine like terms: 2 + -4 = -2
32 = r(-2)

Reorder the terms for easier multiplication:
32 = -2r

Solving
32 = -2r

Solving for variable 'r'.

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

Add '2r' to each side of the equation.
32 + 2r = -2r + 2r

Combine like terms: -2r + 2r = 0
32 + 2r = 0

Add '-32' to each side of the equation.
32 + -32 + 2r = 0 + -32

Combine like terms: 32 + -32 = 0
0 + 2r = 0 + -32
2r = 0 + -32

Combine like terms: 0 + -32 = -32
2r = -32

Divide each side by '2'.
r = -16

Simplifying
r = -16