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Whats the answer -3(x-5)=20

 Jan 25, 2017

Best Answer 

 #1
avatar+170 
+3

-3(x-5)=20

 

-3(x) -3(-5)=15

 

-3x+15=20

 

15-20=-5

 

-3x=-5

-3x/-5=0.6

 

x=0.6

 Jan 25, 2017
edited by Midway  Jan 25, 2017
 #1
avatar+170 
+3
Best Answer

-3(x-5)=20

 

-3(x) -3(-5)=15

 

-3x+15=20

 

15-20=-5

 

-3x=-5

-3x/-5=0.6

 

x=0.6

Midway Jan 25, 2017
edited by Midway  Jan 25, 2017
 #2
avatar+130560 
+5

Close, Midway.....

 

-3(x-5)=20

 

-3x + 15  = 20       subtract  15 from  both  sides

 

-3x = 5                  divide both sides by - 3

 

x = -5 / 3  

 

 

cool cool cool

 Jan 25, 2017
 #3
avatar+170 
0

15-20 is -5, 20-15 is 5

Midway  Jan 25, 2017
 #4
avatar+170 
0

My bad, you are correct!

 Jan 25, 2017

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