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karen is thinking of two numbers. thier difference is nine and thier sum is 17 .what are the Numbers?
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1 vote
karen is thinking of two numbers. thier difference is nine and thier sum is 17 .what are the Numbers?

User Nickname
by
8.2k points

2 Answers

4 votes
x-y=9
x+y=17
16+1
15+2
14+3 all these =17 but which one has a difference of 9
13+4 13-4=9
12+5
11+6
so the two #s u r looking for are 13 & 4

User Raimondo
by
9.0k points
7 votes
we can write the 2 numbers as a and b
we have
a-b= 9
a+b=17
we will solve the equations by adding them both and we get
2a=26, therefore a= 26/2=13

substitute in any equation and you will get 13+ ? = 17, so b= 4
a=13, b= 4
User Cephus
by
8.0k points
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Karen is thinking of two numbers. thier difference is 9 and thier sum is 17. what are the numbers?
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