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If the number is Divided by -7 , the Result is 8 Find the Number ?

 

 

 

Ten subtracted from the Product of 3 and the number is 23 .Find the number ?

 

 

 

Negative Five times a Number , Incresed by 11 , is -29 ?

Guest Sep 24, 2017
edited by Guest  Sep 24, 2017
 #1
avatar+86859 
+1

 

N / -7  = 8      multiply both sides by -7

 

N = -56

 

 

3N - 10  = 23     add 10 to both sides

 

3N  = 33            divide both sides by 3

 

N = 11

 

 

-5N + 11  =  -29       subtract 11 from both sides

 

-5N  = -40     dibide both sides by -5

 

N = 8

 

 

 

cool cool cool

CPhill  Sep 24, 2017

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