5+4(3a+5)=109

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Solution for 5+4(3a+5)=109 equation: 



5+4(3a+5)=109

We move all terms to the left:

5+4(3a+5)-(109)=0

We add all the numbers together, and all the variables

4(3a+5)-104=0

We multiply parentheses

12a+20-104=0

We add all the numbers together, and all the variables

12a-84=0

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

12a=84

a=84/12

a=7

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