4(2a+9)-6=12

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Solution for 4(2a+9)-6=12 equation: 



4(2a+9)-6=12

We move all terms to the left:

4(2a+9)-6-(12)=0

We add all the numbers together, and all the variables

4(2a+9)-18=0

We multiply parentheses

8a+36-18=0

We add all the numbers together, and all the variables

8a+18=0

We move all terms containing a to the left, all other terms to the right

8a=-18

a=-18/8

a=-2+1/4

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