7*a=5*(a-1)+16

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Solution for 7*a=5*(a-1)+16 equation: 



7a=5(a-1)+16

We move all terms to the left:

7a-(5(a-1)+16)=0



We calculate terms in parentheses: -(5(a-1)+16), so:

5(a-1)+16

We multiply parentheses

5a-5+16

We add all the numbers together, and all the variables

5a+11

Back to the equation:

-(5a+11)



We get rid of parentheses

7a-5a-11=0

We add all the numbers together, and all the variables

2a-11=0

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

2a=11

a=11/2

a=5+1/2

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