It's laundry day at dan's house, so he plugs in his electric iron. what transformation of energy takes place inside the ron?

The answer is Electrical energy to Heat Energy.

Explanation:

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)