3(a-2)-(a+6)=4(a-1)

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Solution for 3(a-2)-(a+6)=4(a-1) equation: 



3(a-2)-(a+6)=4(a-1)

We move all terms to the left:

3(a-2)-(a+6)-(4(a-1))=0

We multiply parentheses

3a-(a+6)-(4(a-1))-6=0

We get rid of parentheses

3a-a-(4(a-1))-6-6=0



We calculate terms in parentheses: -(4(a-1)), so:

4(a-1)

We multiply parentheses

4a-4

Back to the equation:

-(4a-4)



We add all the numbers together, and all the variables

2a-(4a-4)-12=0

We get rid of parentheses

2a-4a+4-12=0

We add all the numbers together, and all the variables

-2a-8=0

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

-2a=8

a=8/-2

a=-4

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