When a customer wants pie for dessert, you cut whole pies into 7 equal slices. at the end of your shift, 3/7 of cherry pie, 2/7 of an apple pie,3/7of a peach pie, and 5/7 of a blueberry pie remain. how much pie remains, as a fraction of a whole pie?

Simonne used the following steps to simplify the given expression. 12-3(-2x+4) step 1: 12+(-)+(-3)(4) step 2: 12+6x+(-12) step 3: 12+(-12)+6x step 4: 0+6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? •identity property of addition •inverse property of addition •associative property of addition •commutative property of addition