7a - 3 = 3 + 6a answer i already know it is 6

a = 6, Nice work!

Step-by-step explanation:

7a - 3 = 3 + 6a

First step is to subtract 6a from the right, also subtracting it from the left. This will leave you with:

a - 3 = 3

Now you need to isolate the variable, so to get rid of - 3, you have to add 3 to both sides.

a - 3 = 3

+3 + 3

a = 6

Step-by-step explanation:

7a - 3 = 3 + 6a

7a = 6 + 6a

a = 6