3(4a-7)=5(2a+4)+1

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Solution for 3(4a-7)=5(2a+4)+1 equation: 



3(4a-7)=5(2a+4)+1

We move all terms to the left:

3(4a-7)-(5(2a+4)+1)=0

We multiply parentheses

12a-(5(2a+4)+1)-21=0



We calculate terms in parentheses: -(5(2a+4)+1), so:

5(2a+4)+1

We multiply parentheses

10a+20+1

We add all the numbers together, and all the variables

10a+21

Back to the equation:

-(10a+21)



We get rid of parentheses

12a-10a-21-21=0

We add all the numbers together, and all the variables

2a-42=0

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

2a=42

a=42/2

a=21

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