Mathematics, 24.06.2019 05:30, bbea

There are a few boxes with 12 red pens in each and a few boxes with 10 blue pens in each. if 10 red pens and 5 blue pens are removed, the total number of pens that remains is given by the expression (12x − 10) + (10y − 5). here, x represents the number of boxes containing red pens and y represents the number of boxes containing blue pens. which expressions are equivalent to this expression?

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There are a few boxes with 12 red pens in each and a few boxes with 10 blue pens in each. if 10 red...