SOLUTION: Use the information to find a linear algebraic equation model that can be used to answer the question. Mark and Don are planning to sell each of their marble collections at a ga

Question 1065412: Use the information to find a linear algebraic equation model that can be used to answer the question.
Mark and Don are planning to sell each of their marble collections at a garage sale. If Don had 2 more than 5 times the number of marbles Mark has, how many does each boy have to sell if the total number of marbles are is 92?
Don ______ marbles
Mark ______ marbles
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

and

Substituting,

Now that you know Mark has 15 marbles, use either equation to solve for D, the number of Don's marbles.
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