What should be added to balance the machine?

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Solution

The correct option is A
Weight on the left side of the scale = 2 lb.
Weight on the right side of the scale = 5lb
$2 + 3 = 5$
Weight to be added to the left is 3 lb.

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What should be added to balance the machine?

The correct option is A Weight on the left side of the scale = 2 lb. Weight on the right side of the scale = 5lb 2+3=5 Weight to be added to the left is 3 lb.

The correct option is A
Weight on the left side of the scale = 2 lb.
Weight on the right side of the scale = 5lb
$2 + 3 = 5$
Weight to be added to the left is 3 lb.