12-04-2021
Mathematics

contestada

What does A equal: 3(6a+12)=9

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wegnerkolmp2741o wegnerkolmp2741o

12-04-2021

Answer:

a = -3/2

Step-by-step explanation:

3(6a+12)=9

Divide each side by 3

3/3(6a+12)=9/3

6a+12 = 3

Subtract 12 from each side

6a+12-12 = 3-12

6a = -9

Divide by 6

6a/6 = -9/6

a = -3/2

Answer Link

account001 account001

12-04-2021

3(6a+12)=9

distribute

18a+36=9

subtraction P.O.E.

18a=-27

division P.O.E.

a=-1.5

Answer Link

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