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If I give my brother 5 dollars, then we will have the same amount of money. If instead he gives me 16 dollars, then I'll have twice as much money as he will have. How much money does my brother currently have (in dollars)?

 Aug 5, 2022

Best Answer 

 #2
avatar+124676 
+2

Y -  5  =  B + 5       →   Y =  B + 10       (1)

 

Y + 16 =    2(  B  - 16  )         (2)

 

Sub (1) into (2)

 

B + 10 + 16  =   2 ( B -16)

 

B + 26  = 2B - 32

 

26 + 32  =   B

 

58 =  B

 

Your brother has  $58

 

 

cool cool cool

 Aug 5, 2022
 #1
avatar
0

By brother currently has 22 dollars.

 Aug 5, 2022
 #2
avatar+124676 
+2
Best Answer

Y -  5  =  B + 5       →   Y =  B + 10       (1)

 

Y + 16 =    2(  B  - 16  )         (2)

 

Sub (1) into (2)

 

B + 10 + 16  =   2 ( B -16)

 

B + 26  = 2B - 32

 

26 + 32  =   B

 

58 =  B

 

Your brother has  $58

 

 

cool cool cool

CPhill Aug 5, 2022

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