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

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



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

We move all terms to the left:

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

We multiply parentheses

7a-(2(a+4)+1)-21=0



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

2(a+4)+1

We multiply parentheses

2a+8+1

We add all the numbers together, and all the variables

2a+9

Back to the equation:

-(2a+9)



We get rid of parentheses

7a-2a-9-21=0

We add all the numbers together, and all the variables

5a-30=0

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

5a=30

a=30/5

a=6

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