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anonymous
 5 years ago
the sum of two numbers is 70. one number is 8 more than the other.whats the smaller number?
anonymous
 5 years ago
the sum of two numbers is 70. one number is 8 more than the other.whats the smaller number?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0this is a question with two unknowns , and so you need two equations to solve it

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0that's the tricky part in general  figuring out the two equations from a word problem

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so here are the equations I get: x+y = 70 x = 7y

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0sorry x=8y for the second

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0the next step is to substitute the value for a variable in one equation into the other

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0this is what I get, Isnt is x for first number, x+8 for second number, then x + (x+8) = 70, 2x +8 = 70 2x=62, x= 31

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.031 + (31+8) = 31 + 39 = 70
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