6(3+a)-7a=18

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Solution for 6(3+a)-7a=18 equation: 



6(3+a)-7a=18

We move all terms to the left:

6(3+a)-7a-(18)=0

We add all the numbers together, and all the variables

6(a+3)-7a-18=0

We add all the numbers together, and all the variables

-7a+6(a+3)-18=0

We multiply parentheses

-7a+6a+18-18=0

We add all the numbers together, and all the variables

-a=0

a=0/-1

a=0

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