A rancher wants to fence a rectangular pasture along a straight riverbank. He has 350 yards of fencing to enclose the other three sides of the pasture. If one side of the pasture has to be three times as long as the other, what is the area of the pasture? Find all possible answers. PLEASE LOOK AT THIS: The area can be or square yards. Thanks for answering!

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