12(3+a)=5(2a+8)

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Solution for 12(3+a)=5(2a+8) equation: 



12(3+a)=5(2a+8)

We move all terms to the left:

12(3+a)-(5(2a+8))=0

We add all the numbers together, and all the variables

12(a+3)-(5(2a+8))=0

We multiply parentheses

12a-(5(2a+8))+36=0



We calculate terms in parentheses: -(5(2a+8)), so:

5(2a+8)

We multiply parentheses

10a+40

Back to the equation:

-(10a+40)



We get rid of parentheses

12a-10a-40+36=0

We add all the numbers together, and all the variables

2a-4=0

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

2a=4

a=4/2

a=2

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