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The sum of two numbers is 52. The greater number is 4 more than the smaller number. What equation can be used to solve for the smaller number?

 Jan 5, 2015

Best Answer 

 #1
avatar+111329 
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The sum of two numbers is 52. The greater number is 4 more than the smaller number. What equation can be used to solve for the smaller number?

Let x be the greater number and let x-4  be the smaller number...so we have.....

x + (x-4) = 52      ....if we wanted to solve this, first simplify

2x - 4 = 52              add 4 to both sides

2x = 56                   divide by 2

x = 28     this is the larger number

(x - 4)  =( 28 - 4 ) = 24     and this is the smaller number

 

  

 Jan 5, 2015
 #1
avatar+111329 
+5
Best Answer

The sum of two numbers is 52. The greater number is 4 more than the smaller number. What equation can be used to solve for the smaller number?

Let x be the greater number and let x-4  be the smaller number...so we have.....

x + (x-4) = 52      ....if we wanted to solve this, first simplify

2x - 4 = 52              add 4 to both sides

2x = 56                   divide by 2

x = 28     this is the larger number

(x - 4)  =( 28 - 4 ) = 24     and this is the smaller number

 

  

CPhill Jan 5, 2015

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