(a+2)+(3a-4)=180

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Solution for (a+2)+(3a-4)=180 equation: 



(a+2)+(3a-4)=180

We move all terms to the left:

(a+2)+(3a-4)-(180)=0

We get rid of parentheses

a+3a+2-4-180=0

We add all the numbers together, and all the variables

4a-182=0

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

4a=182

a=182/4

a=45+1/2

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