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avatar+251 

3(4x+6) = 9x+12

 

a x= - 2

 

 

b  x= - 10

 

 

c x = 10

 

 

d x =2

 Feb 26, 2019

Best Answer 

 #1
avatar+2442 
+2

3*4x=12x

3*6=18

12x+18=9x+12

Subtract 18 from both sides: 12x=9x-6

Now subtract 9x from both sides: 3x=-6

Lastly divide both sides by 3 and you get x=-2 so A is the answer 

 Feb 26, 2019
 #1
avatar+2442 
+2
Best Answer

3*4x=12x

3*6=18

12x+18=9x+12

Subtract 18 from both sides: 12x=9x-6

Now subtract 9x from both sides: 3x=-6

Lastly divide both sides by 3 and you get x=-2 so A is the answer 

RainbowPanda Feb 26, 2019

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