(a-45)+(a-35)+a=180

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Solution for (a-45)+(a-35)+a=180 equation: 



(a-45)+(a-35)+a=180

We move all terms to the left:

(a-45)+(a-35)+a-(180)=0

We add all the numbers together, and all the variables

a+(a-45)+(a-35)-180=0

We get rid of parentheses

a+a+a-45-35-180=0

We add all the numbers together, and all the variables

3a-260=0

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

3a=260

a=260/3

a=86+2/3

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