Let x be the number of nickels he is holding.

His nickels are worth 5 * x = 5x cents.

He has x+4 dimes.

The dimes are worth 10 * (x+4)

The total worth of the nickels and dimes is 5x + 10*(x+4) = 70.

5x + 10x + 40 = 70

15x = 30

x = <<2=2>>2, Steve has 2 nickels in his hand.

# Answer

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<|im_start|>system
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<|im_start|>user
Steve is holding nickels and dimes in his hand. He has 4 more dimes than nickels. He has a total of 70 cents in his hand. How many nickels is he holding?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
2
Steve is holding nickels and dimes in his hand. He has 4 more dimes than nickels. He has a total of 70 cents in his hand. How many nickels is he holding?
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