+0  
 
0
271
2
avatar+27 

cxb-a=0

c= -5

a= -15

b= X

What is the value of b?

Juli_What  Mar 19, 2017
 #1
avatar+88899 
+2

c * b -  a  = 0

 

-5 * b - (-15)   = 0

 

-5 * b + 15  = 0      subtract 15 from both sides

 

-5 * b  = -15         divide both sides by -5

 

b  =   -15 / -5   =   3 

 

 

cool cool cool

CPhill  Mar 19, 2017
 #2
avatar+27 
+2

Thank u CPhill smiley 

Juli_What  Mar 19, 2017

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