(a+6.5+4)+(a+6.5+4)+(a+4)=66

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Solution for (a+6.5+4)+(a+6.5+4)+(a+4)=66 equation: 



(a+6.5+4)+(a+6.5+4)+(a+4)=66

We move all terms to the left:

(a+6.5+4)+(a+6.5+4)+(a+4)-(66)=0

We add all the numbers together, and all the variables

(a+10.5)+(a+10.5)+(a+4)-66=0

We get rid of parentheses

a+a+a+10.5+10.5+4-66=0

We add all the numbers together, and all the variables

3a-41=0

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

3a=41

a=41/3

a=13+2/3

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