Ben came off the bench against Ulster in November but made his first start on Saturday, and was replaced by Alex - making his first-team debut - for the last half an hour.
The twins could not prevent Edinburgh slipping to their fourth consecutive defeat but Solomons believes they played a major role in the Scottish outfit's resurgence in the second half.
"Both Ben and Alex were very brave but they are young Academy players, who have just come from Australia and with a strong volleyball background, rather than a heavy rugby background," Solomons told the Scotsman.
"They haven't been part of the set-up, and they are both playing in key positions. It was difficult for them but I think they can be happy with their contribution.
"The positive was that, from a team perspective, we stuck to our task in the second half. We showed a lot of determination and were still in the game with ten minutes remaining."
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Guinness PRO12 Edinburgh News
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