SOLUTION: Matt has a total of 18 pens and pencils in his backpack. He has 8 more pens than pencils. How many pens does he have?

Question 485328: Matt has a total of 18 pens and pencils in his backpack. He has 8 more pens than pencils. How many pens does he have?
Found 2 solutions by Tatiana_Stebko, ficent:
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
Let he has x pens, then he has (x-8)
The equation

pens
Answer by ficent(1) (Show Source): You can put this solution on YOUR website!
18=n+(n+8)
18-8=2n+8-8
10=2n
5=n

18=5+(5+8)
HE has 5 pencils and 13 pens
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