2a-6=4(a+9)+3a

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Solution for 2a-6=4(a+9)+3a equation: 



2a-6=4(a+9)+3a

We move all terms to the left:

2a-6-(4(a+9)+3a)=0



We calculate terms in parentheses: -(4(a+9)+3a), so:

4(a+9)+3a

We add all the numbers together, and all the variables

3a+4(a+9)

We multiply parentheses

3a+4a+36

We add all the numbers together, and all the variables

7a+36

Back to the equation:

-(7a+36)



We get rid of parentheses

2a-7a-36-6=0

We add all the numbers together, and all the variables

-5a-42=0

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

-5a=42

a=42/-5

a=-8+2/5

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