SOLUTION: together danny and luis have 40 marbles, danny has 8 more than luis, how many marbles does danny have?

Question 808861: together danny and luis have 40 marbles, danny has 8 more than luis, how many marbles does danny have?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
together danny and luis have 40 marbles, danny has 8 more than luis, how many marbles does danny have?
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Equation:
D + L = 40 marbles
D = L + 8
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Substitute for "D" and solve for "L"::
L + 8 + L = 40
2L = 32
L = 16 (# Luis has)
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Solve for "D":
D = L + 8
D = 16 + 8 = 24 (# Danny has)
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Cheers,
Stan H.
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