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If  satisfy the system of equations what is 2a+2b+2c?

 Apr 16, 2022
edited by Guest  Apr 16, 2022

Best Answer 

 #2
avatar+122390 
+1

Adding all the equations produces what we need

 

2a +  2b  + 2c  = -3 (a + b + c)  +  5 

 

5a + 5b + 5c  =   5

 

(2/5) [ 5a +  5b + 5c ]  =   (2/5) 5

 

2a + 2b +2c   = 2

 

 

cool cool cool

 Apr 17, 2022
 #1
avatar
0

2a + 2b + 2c = 6

 Apr 16, 2022
 #2
avatar+122390 
+1
Best Answer

Adding all the equations produces what we need

 

2a +  2b  + 2c  = -3 (a + b + c)  +  5 

 

5a + 5b + 5c  =   5

 

(2/5) [ 5a +  5b + 5c ]  =   (2/5) 5

 

2a + 2b +2c   = 2

 

 

cool cool cool

CPhill Apr 17, 2022

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